SacrificeEffect now use Remember on SpellAbility

.classpath

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="con" path="org.testng.TESTNG_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

.gitignore

@@ -231,8 +231,3 @@ forge-gui/tools/oracleScript.log
 /release.properties
 /target
 /test-output
-.settings
-.classpath
-.project
-.vscode/settings.json
-.vscode/launch.json

.gitlab/issue_templates/Bug.md

@@ -1,33 +0,0 @@
-Summary
-
-(Summarize the bug encountered concisely)
-
-
-Steps to reproduce
-
-(How one can reproduce the issue - this is very important. Specific cards and specific actions especially)
-
-
-Which version of Forge are you on (Release, Snapshot? Desktop, Android?)
-
-
-What is the current bug behavior?
-
-(What actually happens)
-
-
-What is the expected correct behavior?
-
-(What you should see instead)
-
-
-Relevant logs and/or screenshots
-
-(Paste/Attach your game.log from the crash - please use code blocks (```)) Also, provide screenshots of the current state.
-
-
-Possible fixes
-
-(If you can, link to the line of code that might be responsible for the problem)
-
-/label ~needs-investigation

.gitlab/issue_templates/Feature.md

@@ -1,15 +0,0 @@
-Summary
-
-(Summarize the feature you wish concisely)
-
-
-Example screenshots
-
-(If this is a UI change, please provide an example screenshot of how this feature might work)
-
-
-Feature type
-
-(Where in Forge does this belong? e.g. Quest Mode, Deck Editor, Limited, Constructed, etc.)
-
-/label ~feature request

.project

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>forge</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

.settings/net.sf.jautodoc.prefs

@@ -0,0 +1,7 @@
+add_header=true
+add_todo=false
+eclipse.preferences.version=1
+header_text=/*\n * Forge\: Play Magic\: the Gathering.\n * Copyright (C) 2011  Forge Team\n *\n * This program is free software\: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n * \n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n * \n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http\://www.gnu.org/licenses/>.\n */
+project_specific_settings=true
+replacements=<?xml version\="1.0" standalone\="yes"?>\n\n<replacements>\n<replacement key\="get" scope\="1" mode\="0">Gets the</replacement>\n<replacement key\="set" scope\="1" mode\="0">Sets the</replacement>\n<replacement key\="add" scope\="1" mode\="0">Adds the</replacement>\n<replacement key\="edit" scope\="1" mode\="0">Edits the</replacement>\n<replacement key\="remove" scope\="1" mode\="0">Removes the</replacement>\n<replacement key\="init" scope\="1" mode\="0">Inits the</replacement>\n<replacement key\="parse" scope\="1" mode\="0">Parses the</replacement>\n<replacement key\="create" scope\="1" mode\="0">Creates the</replacement>\n<replacement key\="build" scope\="1" mode\="0">Builds the</replacement>\n<replacement key\="is" scope\="1" mode\="0">Checks if is</replacement>\n<replacement key\="print" scope\="1" mode\="0">Prints the</replacement>\n<replacement key\="has" scope\="1" mode\="0">Checks for</replacement>\n</replacements>\n\n
+visibility_private=false

.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,284 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant=16
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call=16
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_method_invocation=16
+org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression=16
+org.eclipse.jdt.core.formatter.alignment_for_assignment=0
+org.eclipse.jdt.core.formatter.alignment_for_binary_expression=16
+org.eclipse.jdt.core.formatter.alignment_for_compact_if=16
+org.eclipse.jdt.core.formatter.alignment_for_conditional_expression=80
+org.eclipse.jdt.core.formatter.alignment_for_enum_constants=0
+org.eclipse.jdt.core.formatter.alignment_for_expressions_in_array_initializer=16
+org.eclipse.jdt.core.formatter.alignment_for_method_declaration=0
+org.eclipse.jdt.core.formatter.alignment_for_multiple_fields=16
+org.eclipse.jdt.core.formatter.alignment_for_parameters_in_constructor_declaration=16
+org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration=16
+org.eclipse.jdt.core.formatter.alignment_for_selector_in_method_invocation=16
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+org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_enum_declaration=16
+org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_type_declaration=16
+org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_constructor_declaration=16
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+org.eclipse.jdt.core.formatter.blank_lines_after_imports=1
+org.eclipse.jdt.core.formatter.blank_lines_after_package=1
+org.eclipse.jdt.core.formatter.blank_lines_before_field=0
+org.eclipse.jdt.core.formatter.blank_lines_before_first_class_body_declaration=0
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+org.eclipse.jdt.core.formatter.blank_lines_before_method=1
+org.eclipse.jdt.core.formatter.blank_lines_before_new_chunk=1
+org.eclipse.jdt.core.formatter.blank_lines_before_package=0
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+org.eclipse.jdt.core.formatter.blank_lines_between_type_declarations=1
+org.eclipse.jdt.core.formatter.brace_position_for_annotation_type_declaration=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_anonymous_type_declaration=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_array_initializer=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_block=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_block_in_case=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_enum_constant=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_enum_declaration=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_method_declaration=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_switch=end_of_line
+org.eclipse.jdt.core.formatter.brace_position_for_type_declaration=end_of_line
+org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_block_comment=false
+org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_javadoc_comment=false
+org.eclipse.jdt.core.formatter.comment.format_block_comments=true
+org.eclipse.jdt.core.formatter.comment.format_header=false
+org.eclipse.jdt.core.formatter.comment.format_html=true
+org.eclipse.jdt.core.formatter.comment.format_javadoc_comments=true
+org.eclipse.jdt.core.formatter.comment.format_line_comments=true
+org.eclipse.jdt.core.formatter.comment.format_source_code=true
+org.eclipse.jdt.core.formatter.comment.indent_parameter_description=true
+org.eclipse.jdt.core.formatter.comment.indent_root_tags=true
+org.eclipse.jdt.core.formatter.comment.insert_new_line_before_root_tags=insert
+org.eclipse.jdt.core.formatter.comment.insert_new_line_for_parameter=insert
+org.eclipse.jdt.core.formatter.comment.line_length=80
+org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries=true
+org.eclipse.jdt.core.formatter.comment.new_lines_at_javadoc_boundaries=true
+org.eclipse.jdt.core.formatter.comment.preserve_white_space_between_code_and_line_comments=false
+org.eclipse.jdt.core.formatter.compact_else_if=true
+org.eclipse.jdt.core.formatter.continuation_indentation=2
+org.eclipse.jdt.core.formatter.continuation_indentation_for_array_initializer=2
+org.eclipse.jdt.core.formatter.disabling_tag=@formatter\:off
+org.eclipse.jdt.core.formatter.enabling_tag=@formatter\:on
+org.eclipse.jdt.core.formatter.format_guardian_clause_on_one_line=false
+org.eclipse.jdt.core.formatter.format_line_comment_starting_on_first_column=true
+org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header=true
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+org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_type_header=true
+org.eclipse.jdt.core.formatter.indent_breaks_compare_to_cases=true
+org.eclipse.jdt.core.formatter.indent_empty_lines=false
+org.eclipse.jdt.core.formatter.indent_statements_compare_to_block=true
+org.eclipse.jdt.core.formatter.indent_statements_compare_to_body=true
+org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_cases=true
+org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_switch=false
+org.eclipse.jdt.core.formatter.indentation.size=4
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_field=insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_local_variable=insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_method=insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_package=insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_parameter=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_type=insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_label=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_after_opening_brace_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_at_end_of_file_if_missing=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_before_catch_in_try_statement=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_before_closing_brace_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_before_else_in_if_statement=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_before_finally_in_try_statement=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_before_while_in_do_statement=do not insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_annotation_declaration=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_anonymous_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_block=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_constant=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_declaration=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_method_body=insert
+org.eclipse.jdt.core.formatter.insert_new_line_in_empty_type_declaration=insert
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+org.eclipse.jdt.core.formatter.insert_space_after_assignment_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation_type_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_after_binary_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_arguments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_parameters=insert
+org.eclipse.jdt.core.formatter.insert_space_after_closing_brace_in_block=insert
+org.eclipse.jdt.core.formatter.insert_space_after_closing_paren_in_cast=insert
+org.eclipse.jdt.core.formatter.insert_space_after_colon_in_assert=insert
+org.eclipse.jdt.core.formatter.insert_space_after_colon_in_case=insert
+org.eclipse.jdt.core.formatter.insert_space_after_colon_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_after_colon_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_after_colon_in_labeled_statement=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_allocation_expression=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_annotation=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_array_initializer=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_parameters=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_throws=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_constant_arguments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_declarations=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_explicitconstructorcall_arguments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_increments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_inits=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_declaration_parameters=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_declaration_throws=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_invocation_arguments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_field_declarations=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_local_declarations=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_parameterized_type_reference=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_superinterfaces=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_arguments=insert
+org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_parameters=insert
+org.eclipse.jdt.core.formatter.insert_space_after_ellipsis=insert
+org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_parameterized_type_reference=do not insert
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+org.eclipse.jdt.core.formatter.insert_space_after_opening_bracket_in_array_allocation_expression=do not insert
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.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
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+resolveWorkspaceProjects=true
+version=1

LICENSE

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
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-  A "contributor" is a copyright holder who authorizes use under this
-License of the Program or a work on which the Program is based.  The
-work thus licensed is called the contributor's "contributor version".
-
-  A contributor's "essential patent claims" are all patent claims
-owned or controlled by the contributor, whether already acquired or
-hereafter acquired, that would be infringed by some manner, permitted
-by this License, of making, using, or selling its contributor version,
-but do not include claims that would be infringed only as a
-consequence of further modification of the contributor version.  For
-purposes of this definition, "control" includes the right to grant
-patent sublicenses in a manner consistent with the requirements of
-this License.
-
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-patent license under the contributor's essential patent claims, to
-make, use, sell, offer for sale, import and otherwise run, modify and
-propagate the contents of its contributor version.
-
-  In the following three paragraphs, a "patent license" is any express
-agreement or commitment, however denominated, not to enforce a patent
-(such as an express permission to practice a patent or covenant not to
-sue for patent infringement).  To "grant" such a patent license to a
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-  If, pursuant to or in connection with a single transaction or
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-
-  A patent license is "discriminatory" if it does not include within
-the scope of its coverage, prohibits the exercise of, or is
-conditioned on the non-exercise of one or more of the rights that are
-specifically granted under this License.  You may not convey a covered
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-parties who would receive the covered work from you, a discriminatory
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-contain the covered work, unless you entered into that arrangement,
-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
-not convey it at all.  For example, if you agree to terms that obligate you
-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Use with the GNU Affero General Public License.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
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-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
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-  If the Program specifies that a proxy can decide which future
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-to choose that version for the Program.
-
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-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
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-  15. Disclaimer of Warranty.
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-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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-SUCH DAMAGES.
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-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<https://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -1,230 +0,0 @@
-# Forge
-
-Gitlab repo is found [here](https://git.cardforge.org/core-developers/forge).
-
-Dev instructions here: [Getting Started](https://www.slightlymagic.net/wiki/Forge:How_to_Get_Started_Developing_Forge) (Somewhat outdated)
-
-Discord channel [here](https://discordapp.com/channels/267367946135928833/267742313390931968)
-
-# Requirements / Tools
-
-- Java IDE such as IntelliJ or Eclipse
-- Java JDK 8 or later
-- Git
-- Git client (optional)
-- Maven
-- Gitlab account
-- Libgdx (optional: familiarity with this library is helpful for mobile platform development)
-- Android SDK (optional: for Android releases)
-- RoboVM (optional: for iOS releases) (TBD: Current status of support by libgdx)
-
-# Project Quick Setup
-
-- Log in to gitlab with your user account and fork the project.
-
-- Clone your forked project to your local machine
-
-- Go to the project location on your machine.  Run Maven to download all dependencies and build a snapshot.  Example for Windows & Linux: `mvn -U -B clean -P windows-linux install`
-
-# Eclipse
-
-Eclipse includes Maven integration so a separate install is not necessary.  For other IDEs, your mileage may vary.
-
-## Project Setup
-
-- Follow the instructions for cloning from Gitlab.  You'll need a Gitlab account setup and an SSH key defined.  
-
-  If you are on a Windows machine you can use Putty with TortoiseGit for SSH keys.  Run puttygen.exe to generate the key -- save the private key and export
-  the OpenSSH public key.  If you just leave the dialog open, you can copy and paste the key from it to your Gitlab profile under
-  "SSH keys".  Run pageant.exe and add the private key generated earlier.  TortoiseGit will use this for accessing Gitlab.
-   
-- Fork the Forge git repo to your Gitlab account.
-
-- Clone your forked repo to your local machine.
-
-- Make sure the Java SDK is installed -- not just the JRE.  Java 8 or newer required.  If you execute `java -version` at the shell or command prompt, it should report version 1.8 or later.
-
-- Install Eclipse 2018-12 or later for Java.  Launch it.
-
-- Create a workspace.  Go to the workbench.  Right-click inside of Package Explorer > Import... > Maven > Existing Maven Projects > Navigate to root path of the local forge repo and
-  ensure everything is checked > Finish.
-  
-- Let Eclipse run through building the project.  You may be prompted for resolving any missing Maven plugins -- accept the ones offered.  You may see errors appear in the "Problems" tab.  These should
-  be automatically resolved as plug-ins are installed and Eclipse continues the build process.  If this is the first time for some plug-in installs, Eclipse may prompt you to restart.  Do so.  Be patient
-  for this first time through.
-  
-- Once everything builds, all errors should disappear.  You can now advance to Project launch.
-
-## Project Launch
-
-### Desktop
-
-This is the standard configuration used for releasing to Windows / Linux / MacOS.
-
-- Right-click on forge-gui-desktop > Run As... > Java Application > "Main - forge.view" > Ok
-
-- The familiar Forge splash screen, etc. should appear.  Enjoy!
-
-### Mobile (Desktop dev)
-
-This is the configuration used for doing mobile development using the Windows / Linux / MacOS front-end.  Knowledge of libgdx is helpful here.
-
-- Right-click on forge-gui-mobile-dev > Run As... > Java Application > "Main - forge.app" > Ok.
-
-- A view similar to a mobile phone should appear.  Enjoy!
-
-## Eclipse / Android SDK Integration
-
-Google no longer supports Android SDK releases for Eclipse.  That said, it is still possible to build and debug Android platforms.
-
-### Android SDK
-
-Reference SO for obtaining a specific release: https://stackoverflow.com/questions/27043522/where-can-i-download-an-older-version-of-the-android-sdk
-
-#### Windows 
-
-Download the following archived version of the Android SDK: http://dl-ssl.google.com/android/repository/tools_r25.2.3-windows.zip. Install it somewhere on your machine.  This is referenced
-in the following instructions as your 'Android SDK Install' path.
-
-#### Linux / Mac OSX
-
-TBD
-
-### Android Plugin for Eclipse
-
-Google's last plugin release does not work completely with target's running Android 7.0 or later.  Download the ADT-24.2.0-20160729.zip plugin 
-from: https://github.com/khaledev/ADT/releases  
-
-In Eclipse go to: Help > Install New Software... > Add > Name: ADT Update, Click on the "Archive:" button and navigate to the downloaded ADT-24.2.0-20160729.zip file > Add.  Install all "Developer Tools".  Eclipse
-should restart and prompt you to run the SDK Manager.  Launch it and continue to the next steps below.
-
-### Android Platform
-
-In Eclipse, if the SDK Manager is not already running, go to Window > Android SDK Manager.  Install the following options / versions:
-
-- Android SDK Build-tools 26.0.1
-- Android 7.1.1 (API 25) SDK Platform
-- Google USB Driver 11
-
-Note that this will populate additional tools in the Android SDK install path extracted above.
-
-### Proguard update
-
-The Proguard included with the Android SDK Build-tools is outdated and does not work with Java 1.8.  Download Proguard 6.0.3 from https://sourceforge.net/projects/proguard/files/proguard/6.0/.  
-
-- Go to the Android SDK install path.  Rename the tools/proguard/ path to tools/proguard4.7/.
-
-- Extract Proguard 6.0.3 to the Android SDK install path under tools/.  You will need to rename the dir proguard6.0.3/ to proguard/.
-
-### Android Build
-
-The Eclipse plug-ins do NOT support building things for Android.  They do however allow you to use the debugger so you can still set breakpoints and trace
-things out.  The steps below show how to generate a debug Android build.
-
-1) Create a Maven build for the forge top-level project.  Right-click on the forge project.  Run as.. > Maven build...
-   - On the Main tab, set Goals: clean install
-
-2) Run forge Maven build.  If everything built, you should see "BUILD SUCCESS" in the Console View.
-
-3) Right-click on the forge-gui-android project.  Run as.. > Maven build...
-
-   - On the Main tab, set Goals: install, Profiles: android-debug
-   - On the Environment tab, you may need to define the variable ANDROID_HOME with the value containing the path to your Android SDK installation.  For example, Variable: ANDROID_HOME, Value: Your Android SDK install path here.
-
-4) Run the forge-gui-android Maven build.  This may take a few minutes.  If everything worked, you should see "BUILD SUCCESS" in the Console View.
-
-Assuming you got this far, you should have an Android forge-android-[version].apk in the forge-gui-android/target path.
-
-### Android Deploy
-
-You'll need to have the Android SDK install path platform-tools/ path in your command search path to easily deploy builds.
-
-- Open a command prompt.  Navigate to the forge-gui-android/target/ path.
-
-- Connect your Android device to your dev machine.
-
-- Ensure the device is visible using `adb devices`
-
-- Remove the old Forge install if present: `adb uninstall forge.app`
-
-- Install the new apk: `adb install forge-android-[version].apk`
-
-### Android Debugging
-
-Assuming the apk is installed, launch it from the device.
-
-In Eclipse, launch the DDMS.  Window > Perspective > Open Perspective > Other... > DDMS.  You should see the forge app in the list.  Highlight the app, click on the green debug button and a 
-green debug button should appear next to the app's name.  You can now set breakpoints and step through the source code.
-
-## Windows / Linux SNAPSHOT build
-
-SNAPSHOT builds can be built via the Maven integration in Eclipse.
-
-1) Create a Maven build for the forge top-level project.  Right-click on the forge project.  Run as.. > Maven build...
-   - On the Main tab, set Goals: clean install, set Profiles: windows-linux
-   
-2) Run forge Maven build.  If everything built, you should see "BUILD SUCCESS" in the Console View.
-
-The resulting snapshot will be found at: forge-gui-desktop/target/forge-gui-desktop-[version]-SNAPSHOT
-
-# IntelliJ
-
-Quick start guide for [setting up the Forge project within IntelliJ](https://git.cardforge.org/core-developers/forge/wikis/intellij-setup).
-
-# Card Scripting
-
-Visit [this page](https://www.slightlymagic.net/wiki/Forge_API) for information on scripting.
-
-Card scripting resources are found in the forge-gui/res/ path.
-
-# General Notes
-
-## Project Hierarchy
-
-Forge is divided into 4 primary projects with additional projects that target specific platform releases.  The primary projects are:
-
-- forge-ai
-- forge-core
-- forge-game
-- forge-gui
-
-The platform-specific projects are:
-
-- forge-gui-android
-- forge-gui-desktop
-- forge-gui-ios
-- forge-gui-mobile
-- forge-gui-mobile-dev
-
-### forge-ai
-
-### forge-core
-
-### forge-game
-
-### forge-gui
-
-The forge-gui project includes the scripting resource definitions in the res/ path.
-
-### forge-gui-android
-
-Libgdx-based backend targeting Android.  Requires Android SDK and relies on forge-gui-mobile for GUI logic.
-
-### forge-gui-desktop
-
-Java Swing based GUI targeting desktop machines.  
-
-Screen layout and game logic revolving around the GUI is found here.  For example, the overlay arrows (when enabled) that indicate attackers and blockers, or the targets of the stack are defined and drawn by this.
-
-### forge-gui-ios
-
-Libgdx-based backend targeting iOS.  Relies on forge-gui-mobile for GUI logic.
-
-### forge-gui-mobile
-
-Mobile GUI game logic utilizing [libgdx](https://libgdx.badlogicgames.com/) library.  Screen layout and game logic revolving around the GUI for the mobile platforms is found here.
-
-### forge-gui-mobile-dev
-
-Libgdx backend for desktop development for mobile backends.  Utilizes LWJGL.  Relies on forge-gui-mobile for GUI logic.
- 

forge-ai/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="con" path="org.testng.TESTNG_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/forge-core"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

forge-ai/.project

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>forge-ai</name>
+	<comment></comment>
+	<projects>
+		<project>forge-game</project>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

forge-ai/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+encoding//src/main/java=ISO-8859-1
+encoding/<project>=UTF-8

forge-ai/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.7

forge-ai/.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

forge-ai/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>forge</artifactId>
         <groupId>forge</groupId>
-        <version>1.6.30-SNAPSHOT</version>
+        <version>1.6.20-SNAPSHOT</version>
     </parent>
 
     <artifactId>forge-ai</artifactId>

forge-ai/src/main/java/forge/ai/AIOption.java

@@ -1,5 +1,5 @@
 package forge.ai;
 
 public enum AIOption {
-    USE_SIMULATION
+    USE_SIMULATION;
 }

forge-ai/src/main/java/forge/ai/AiAttackController.java

@@ -81,7 +81,7 @@ public class AiAttackController {
         this.defendingOpponent = choosePreferredDefenderPlayer();       
         this.oppList = getOpponentCreatures(this.defendingOpponent);
         this.myList = ai.getCreaturesInPlay();
-        this.attackers = new ArrayList<>();
+        this.attackers = new ArrayList<Card>();
         for (Card c : myList) {
             if (CombatUtil.canAttack(c, this.defendingOpponent)) {
                 attackers.add(c);
@@ -95,7 +95,7 @@ public class AiAttackController {
         this.defendingOpponent = choosePreferredDefenderPlayer();       
         this.oppList = getOpponentCreatures(this.defendingOpponent);
         this.myList = ai.getCreaturesInPlay();
-        this.attackers = new ArrayList<>();
+        this.attackers = new ArrayList<Card>();
         if (CombatUtil.canAttack(attacker, this.defendingOpponent)) {
             attackers.add(attacker);
         }
@@ -103,7 +103,8 @@ public class AiAttackController {
     } // overloaded constructor to evaluate single specified attacker
     
     public static List<Card> getOpponentCreatures(final Player defender) {
-        List<Card> defenders = new ArrayList<>(defender.getCreaturesInPlay());
+        List<Card> defenders = new ArrayList<Card>();
+        defenders.addAll(defender.getCreaturesInPlay());
         Predicate<Card> canAnimate = new Predicate<Card>() {
             @Override
             public boolean apply(Card c) {
@@ -150,7 +151,7 @@ public class AiAttackController {
      *
      */
     public final static List<Card> sortAttackers(final List<Card> in) {
-        final List<Card> list = new ArrayList<>();
+        final List<Card> list = new ArrayList<Card>();
 
         // Cards with triggers should come first (for Battle Cry)
         for (final Card attacker : in) {
@@ -190,48 +191,14 @@ public class AiAttackController {
             return false;
         }
         
-        // the attacker will die to a triggered ability (e.g. Sarkhan the Masterless)
-        for (Card c : ai.getOpponents().getCardsIn(ZoneType.Battlefield)) {
-            for (Trigger t : c.getTriggers()) {
-                if (t.getMode() == TriggerType.Attacks) {
-                    SpellAbility sa = t.getOverridingAbility();
-                    if (sa == null && t.hasParam("Execute")) {
-                        sa = AbilityFactory.getAbility(c, t.getParam("Execute"));
-                    }
-
-                    if (sa != null && sa.getApi() == ApiType.EachDamage && "TriggeredAttacker".equals(sa.getParam("DefinedPlayers"))) {
-                        List<Card> valid = CardLists.getValidCards(c.getController().getCreaturesInPlay(), sa.getParam("ValidCards"), c.getController(), c, sa);
-                        // TODO: this assumes that 1 damage is dealt per creature. Improve this to check the parameter/X to determine
-                        // how much damage is dealt by each of the creatures in the valid list.
-                        if (attacker.getNetToughness() <= valid.size()) {
-                            return false;
-                        }
-                    }
-                }
-            }
-        }
-
         if ("TRUE".equals(attacker.getSVar("HasAttackEffect"))) {
         	return true;
         }
 
         final Player opp = this.defendingOpponent;
-
-        // Damage opponent if unblocked
-        final int dmgIfUnblocked = ComputerUtilCombat.damageIfUnblocked(attacker, opp, combat, true);
-        if (dmgIfUnblocked > 0) {
-            boolean onlyIfExalted = false;
-            if (combat.getAttackers().isEmpty() && ai.countExaltedBonus() > 0
-                    && dmgIfUnblocked - ai.countExaltedBonus() == 0) {
-                // Make sure we're not counting on the Exalted bonus when the AI is planning to attack with more than one creature
-                onlyIfExalted = true;
-            }
-
-            if (!onlyIfExalted || this.attackers.size() == 1 || this.aiAggression == 6 /* 6 is Exalted attack */) {
-                return true;
-            }
+        if (ComputerUtilCombat.damageIfUnblocked(attacker, opp, combat, true) > 0) {
+            return true;
         }
-        // Poison opponent if unblocked
         if (ComputerUtilCombat.poisonIfUnblocked(attacker, opp) > 0) {
             return true;
         }
@@ -246,7 +213,7 @@ public class AiAttackController {
         final CardCollectionView controlledByCompy = ai.getCardsIn(ZoneType.STATIC_ABILITIES_SOURCE_ZONES);
         for (final Card c : controlledByCompy) {
             for (final Trigger trigger : c.getTriggers()) {
-                if (ComputerUtilCombat.combatTriggerWillTrigger(attacker, null, trigger, combat, this.attackers)) {
+                if (ComputerUtilCombat.combatTriggerWillTrigger(attacker, null, trigger, combat)) {
                     return true;
                 }
             }
@@ -255,7 +222,7 @@ public class AiAttackController {
     }
 
     public final static List<Card> getPossibleBlockers(final List<Card> blockers, final List<Card> attackers) {
-        List<Card> possibleBlockers = new ArrayList<>(blockers);
+        List<Card> possibleBlockers = new ArrayList<Card>(blockers);
         possibleBlockers = CardLists.filter(possibleBlockers, new Predicate<Card>() {
             @Override
             public boolean apply(final Card c) {
@@ -266,7 +233,7 @@ public class AiAttackController {
     }
 
     public final static boolean canBlockAnAttacker(final Card c, final List<Card> attackers, final boolean nextTurn) {
-        final List<Card> attackerList = new ArrayList<>(attackers);
+        final List<Card> attackerList = new ArrayList<Card>(attackers);
         if (!c.isCreature()) {
             return false;
         }
@@ -279,7 +246,7 @@ public class AiAttackController {
     }
 
     public final static Card getCardCanBlockAnAttacker(final Card c, final List<Card> attackers, final boolean nextTurn) {
-        final List<Card> attackerList = new ArrayList<>(attackers);
+        final List<Card> attackerList = new ArrayList<Card>(attackers);
         if (!c.isCreature()) {
             return null;
         }
@@ -294,9 +261,9 @@ public class AiAttackController {
     // this checks to make sure that the computer player doesn't lose when the human player attacks
     // this method is used by getAttackers()
     public final List<Card> notNeededAsBlockers(final Player ai, final List<Card> attackers) {
-        final List<Card> notNeededAsBlockers = new ArrayList<>(attackers);
+        final List<Card> notNeededAsBlockers = new ArrayList<Card>(attackers);
         int fixedBlockers = 0;
-        final List<Card> vigilantes = new ArrayList<>();
+        final List<Card> vigilantes = new ArrayList<Card>();
         //check for time walks
         if (ai.getGame().getPhaseHandler().getNextTurn().equals(ai)) {
             return attackers;
@@ -335,7 +302,7 @@ public class AiAttackController {
             }
         }
 
-        List<Card> opponentsAttackers = new ArrayList<>(oppList);
+        List<Card> opponentsAttackers = new ArrayList<Card>(oppList);
         opponentsAttackers = CardLists.filter(opponentsAttackers, new Predicate<Card>() {
             @Override
             public boolean apply(final Card c) {
@@ -547,7 +514,8 @@ public class AiAttackController {
         remainingAttackers.removeAll(unblockedAttackers);
 
         for (Card blocker : this.blockers) {
-            if (blocker.canBlockAny()) {
+            if (blocker.hasKeyword("CARDNAME can block any number of creatures.")
+                    || blocker.hasKeyword("CARDNAME can block an additional ninety-nine creatures each combat.")) {
                 for (Card attacker : this.attackers) {
                     if (CombatUtil.canBlock(attacker, blocker)) {
                         remainingAttackers.remove(attacker);
@@ -563,19 +531,14 @@ public class AiAttackController {
             if (remainingAttackers.isEmpty() || maxBlockersAfterCrew == 0) {
                 break;
             }
-
-            int numExtraBlocks = blocker.canBlockAdditional();
-            if (numExtraBlocks > 0) {
-                while (numExtraBlocks-- > 0 && !remainingAttackers.isEmpty()) {
-                    blockedAttackers.add(remainingAttackers.get(0));
-                    remainingAttackers.remove(0);
-                    maxBlockersAfterCrew--;
+            if (blocker.hasKeyword("CARDNAME can block an additional creature each combat.")) {
+                blockedAttackers.add(remainingAttackers.get(0));
+                remainingAttackers.remove(0);
+                maxBlockersAfterCrew--;
+                if (remainingAttackers.isEmpty()) {
+                    break;
                 }
             }
-
-            if (remainingAttackers.isEmpty()) {
-                break;
-            }
             blockedAttackers.add(remainingAttackers.get(0));
             remainingAttackers.remove(0);
             maxBlockersAfterCrew--;
@@ -684,7 +647,7 @@ public class AiAttackController {
 
         // Determine who will be attacked
         GameEntity defender = this.chooseDefender(combat, bAssault);
-        List<Card> attackersLeft = new ArrayList<>(this.attackers);
+        List<Card> attackersLeft = new ArrayList<Card>(this.attackers);
 
         // TODO probably use AttackConstraints instead of only GlobalAttackRestrictions?
         GlobalAttackRestrictions restrict = GlobalAttackRestrictions.getGlobalRestrictions(ai, combat.getDefenders());
@@ -824,12 +787,12 @@ public class AiAttackController {
         int humanForcesForAttritionalAttack = 0;
 
         // examine the potential forces
-        final List<Card> nextTurnAttackers = new ArrayList<>();
+        final List<Card> nextTurnAttackers = new ArrayList<Card>();
         int candidateCounterAttackDamage = 0;
         
         final Player opp = this.defendingOpponent;
         // get the potential damage and strength of the AI forces
-        final List<Card> candidateAttackers = new ArrayList<>();
+        final List<Card> candidateAttackers = new ArrayList<Card>();
         int candidateUnblockedDamage = 0;
         for (final Card pCard : this.myList) {
             // if the creature can attack then it's a potential attacker this
@@ -888,7 +851,7 @@ public class AiAttackController {
         final int outNumber = computerForces - humanForces;
 
         for (Card blocker : this.blockers) {
-            if (blocker.canBlockAny()) {
+            if (blocker.hasKeyword("CARDNAME can block any number of creatures.")) {
                 aiLifeToPlayerDamageRatio--;
             }
         }
@@ -911,7 +874,7 @@ public class AiAttackController {
         // get player life total
         int humanLife = opp.getLife();
         // get the list of attackers up to the first blocked one
-        final List<Card> attritionalAttackers = new ArrayList<>();
+        final List<Card> attritionalAttackers = new ArrayList<Card>();
         for (int x = 0; x < (this.attackers.size() - humanForces); x++) {
             attritionalAttackers.add(this.attackers.get(x));
         }
@@ -1024,7 +987,7 @@ public class AiAttackController {
         } // stay at home to block
 
         if ( LOG_AI_ATTACKS )
-            System.out.println(this.aiAggression + " = ai aggression");
+            System.out.println(String.valueOf(this.aiAggression) + " = ai aggression");
 
         // ****************
         // Evaluation the end
@@ -1156,21 +1119,8 @@ public class AiAttackController {
         // is there a gain in attacking even when the blocker is not killed (Lifelink, Wither,...)
         boolean hasCombatEffect = attacker.getSVar("HasCombatEffect").equals("TRUE") 
         		|| "Blocked".equals(attacker.getSVar("HasAttackEffect"));
-
-        // contains only the defender's blockers that can actually block the attacker
-        CardCollection validBlockers = CardLists.filter(defenders, new Predicate<Card>() {
-            @Override
-            public boolean apply(Card defender) {
-                return CombatUtil.canBlock(attacker, defender);
-            }
-        });
-        // used to check that CanKillAllDangerous check makes sense in context where creatures with dangerous abilities are present
-        boolean dangerousBlockersPresent = !CardLists.filter(validBlockers, Predicates.or(
-                CardPredicates.hasKeyword(Keyword.WITHER), CardPredicates.hasKeyword(Keyword.INFECT),
-                CardPredicates.hasKeyword(Keyword.LIFELINK))).isEmpty();
-
         // total power of the defending creatures, used in predicting whether a gang block can kill the attacker
-        int defPower = CardLists.getTotalPower(validBlockers, true);
+        int defPower = CardLists.getTotalPower(defenders, true);
 
         if (!hasCombatEffect) {
             for (KeywordInterface inst : attacker.getKeywords()) {
@@ -1187,9 +1137,10 @@ public class AiAttackController {
         // number of factors about the attacking
         // context that will be relevant to the attackers decision according to
         // the selected strategy
-        for (final Card defender : validBlockers) {
+        for (final Card defender : defenders) {
             // if both isWorthLessThanAllKillers and canKillAllDangerous are false there's nothing more to check
-            if (isWorthLessThanAllKillers || canKillAllDangerous || numberOfPossibleBlockers < 2) {
+            if ((isWorthLessThanAllKillers || canKillAllDangerous || numberOfPossibleBlockers < 2)
+                    && CombatUtil.canBlock(attacker, defender)) {
                 numberOfPossibleBlockers += 1;
                 if (isWorthLessThanAllKillers && ComputerUtilCombat.canDestroyAttacker(ai, attacker, defender, combat, false)
                         && !(attacker.hasKeyword(Keyword.UNDYING) && attacker.getCounters(CounterType.P1P1) == 0)) {
@@ -1227,7 +1178,7 @@ public class AiAttackController {
                             // - our creature will die for sure (chump attack)
                             // - our attack will not do anything special (no attack/combat effect to proc)
                             // - we can't deal damage to our opponent with sheer number of attackers and/or our attacker's power is 0 or less
-                            if (attackerWillDie || (avoidAttackingIntoBlock && uselessAttack && noContributionToAttack)) {
+                            if (attackerWillDie || (avoidAttackingIntoBlock && (uselessAttack || noContributionToAttack))) {
                                 canKillAllDangerous = false;
                             }
                         }
@@ -1276,9 +1227,8 @@ public class AiAttackController {
             if (LOG_AI_ATTACKS)
                 System.out.println(attacker.getName() + " = all out attacking");
             return true;
-        case 4: // expecting to at least trade with something, or can attack "for free", expecting no counterattack
-            if (canKillAll || (dangerousBlockersPresent && canKillAllDangerous && !canBeKilledByOne) || !canBeBlocked
-                    || (defPower == 0 && !ComputerUtilCombat.lifeInDanger(ai, combat))) {
+        case 4: // expecting to at least trade with something
+            if (canKillAll || (canKillAllDangerous && !canBeKilledByOne) || !canBeBlocked) {
                 if (LOG_AI_ATTACKS)
                     System.out.println(attacker.getName() + " = attacking expecting to at least trade with something");
                 return true;
@@ -1286,7 +1236,7 @@ public class AiAttackController {
             break;
         case 3: // expecting to at least kill a creature of equal value or not be blocked
             if ((canKillAll && isWorthLessThanAllKillers)
-                    || (((dangerousBlockersPresent && canKillAllDangerous) || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne)
+                    || ((canKillAllDangerous || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne)
                     || !canBeBlocked) {
                 if (LOG_AI_ATTACKS)
                     System.out.println(attacker.getName() + " = attacking expecting to kill creature or cause damage, or is unblockable");
@@ -1295,7 +1245,7 @@ public class AiAttackController {
             break;
         case 2: // attack expecting to attract a group block or destroying a single blocker and surviving
             if (!canBeBlocked || ((canKillAll || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne &&
-                    ((dangerousBlockersPresent && canKillAllDangerous) || !canBeKilled))) {
+                    (canKillAllDangerous || !canBeKilled))) {
                 if (LOG_AI_ATTACKS)
                     System.out.println(attacker.getName() + " = attacking expecting to survive or attract group block");
                 return true;
@@ -1460,7 +1410,7 @@ public class AiAttackController {
         if (artifact != null) {
             return artifact;
         }
-        return null;//should never get here
+        return null;    //should never get here
     }
 
     private void doLightmineFieldAttackLogic(List<Card> attackersLeft, int numForcedAttackers, boolean playAggro) {

forge-ai/src/main/java/forge/ai/AiBlockController.java

@@ -22,6 +22,7 @@ import com.google.common.base.Predicates;
 import forge.card.CardStateName;
 import forge.game.CardTraitBase;
 import forge.game.GameEntity;
+import forge.game.GlobalRuleChange;
 import forge.game.card.*;
 import forge.game.combat.Combat;
 import forge.game.combat.CombatUtil;
@@ -147,7 +148,9 @@ public class AiBlockController {
                 final CardCollection attackers = combat.getAttackersOf(defender);
                 // Begin with the attackers that pose the biggest threat
                 CardLists.sortByPowerDesc(attackers);
-                sortedAttackers.addAll(attackers);
+                for (final Card c : attackers) {
+                    sortedAttackers.add(c);
+                }
             } else if (defender instanceof Player && defender.equals(ai)) {
                 firstAttacker = combat.getAttackersOf(defender);
             }
@@ -160,7 +163,9 @@ public class AiBlockController {
             }
         } else {
             // add creatures attacking the Player to the back of the list
-            sortedAttackers.addAll(firstAttacker);
+            for (final Card c : firstAttacker) {
+                sortedAttackers.add(c);
+            }
         }
         return sortedAttackers;
     }
@@ -476,7 +481,8 @@ public class AiBlockController {
                 final int damageNeeded = ComputerUtilCombat.getDamageToKill(attacker)
                         + ComputerUtilCombat.predictToughnessBonusOfAttacker(attacker, secondBlocker, combat, false);
 
-                List<Card> usableBlockersAsThird = new ArrayList<>(usableBlockers);
+                List<Card> usableBlockersAsThird = new ArrayList<>();
+                usableBlockersAsThird.addAll(usableBlockers);
                 usableBlockersAsThird.remove(secondBlocker);
 
                 // loop over the remaining blockers in search of a good third blocker candidate
@@ -767,12 +773,14 @@ public class AiBlockController {
             blockers.removeAll(combat.getBlockers(attacker));
 
             // Don't add any blockers that won't kill the attacker because the damage would be prevented by a static effect
-            blockers = CardLists.filter(blockers, new Predicate<Card>() {
-                @Override
-                public boolean apply(Card blocker) {
-                    return !ComputerUtilCombat.isCombatDamagePrevented(blocker, attacker, blocker.getNetCombatDamage());
-                }
-            });
+            if (!ai.getGame().getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noPrevention)) {
+                blockers = CardLists.filter(blockers, new Predicate<Card>() {
+                    @Override
+                    public boolean apply(Card blocker) {
+                        return !ComputerUtilCombat.isCombatDamagePrevented(blocker, attacker, blocker.getNetCombatDamage());
+                    }
+                });
+            }
 
             // Try to use safe blockers first
             if (blockers.size() > 0) {
@@ -851,7 +859,7 @@ public class AiBlockController {
                                 damageToPW += ComputerUtilCombat.predictDamageTo((Card) def, pwatkr.getNetCombatDamage(), pwatkr, true);
                             }
                         }
-                        if ((!onlyIfLethal && damageToPW > 0) || damageToPW >= def.getCounters(CounterType.LOYALTY)) {
+                        if ((!onlyIfLethal && damageToPW > 0) || damageToPW >= ((Card) def).getCounters(CounterType.LOYALTY)) {
                             threatenedPWs.add((Card) def);
                         }
                     }
@@ -871,7 +879,7 @@ public class AiBlockController {
             if (!chumpPWDefenders.isEmpty()) {
                 for (final Card attacker : attackers) {
                     GameEntity def = combat.getDefenderByAttacker(attacker);
-                    if (def instanceof Card && threatenedPWs.contains(def)) {
+                    if (def instanceof Card && threatenedPWs.contains((Card) def)) {
                         if (attacker.hasKeyword(Keyword.TRAMPLE)) {
                             // don't bother trying to chump a trampling creature
                             continue;
@@ -906,7 +914,7 @@ public class AiBlockController {
                                 pwDefenders.addAll(combat.getBlockers(pwAtk));
                             } else {
                                 isFullyBlocked = false;
-                                damageToPW += ComputerUtilCombat.predictDamageTo(pw, pwAtk.getNetCombatDamage(), pwAtk, true);
+                                damageToPW += ComputerUtilCombat.predictDamageTo((Card) pw, pwAtk.getNetCombatDamage(), pwAtk, true);
                             }
                         }
                         if (!isFullyBlocked && damageToPW >= pw.getCounters(CounterType.LOYALTY)) {
@@ -1321,9 +1329,13 @@ public class AiBlockController {
                 && ((Card) combat.getDefenderByAttacker(attacker)).isPlaneswalker();
         boolean wantToTradeDownToSavePW = chanceToTradeDownToSaveWalker > 0;
 
-        return ((evalBlk <= evalAtk + 1) || (wantToSavePlaneswalker && wantToTradeDownToSavePW)) // "1" accounts for tapped.
+        if (((evalBlk <= evalAtk + 1) || (wantToSavePlaneswalker && wantToTradeDownToSavePW)) // "1" accounts for tapped.
                 && powerParityOrHigher
                 && (creatureParityOrAllowedDiff || wantToTradeWithCreatInHand)
-                && (MyRandom.percentTrue(chance) || wantToSavePlaneswalker);
+                && (MyRandom.percentTrue(chance) || wantToSavePlaneswalker)) {
+            return true;
+        }
+
+        return false;
     }
 }

forge-ai/src/main/java/forge/ai/AiCardMemory.java

@@ -137,7 +137,7 @@ public class AiCardMemory {
 
         Set<Card> memorySet = getMemorySet(set);
 
-        return memorySet != null && memorySet.contains(c);
+        return memorySet == null ? false : memorySet.contains(c);
     }
 
     /**
@@ -150,15 +150,12 @@ public class AiCardMemory {
      */
     public boolean isRememberedCardByName(String cardName, MemorySet set) {
         Set<Card> memorySet = getMemorySet(set);
+        Iterator<Card> it = memorySet.iterator();
 
-        if (memorySet != null) {
-            Iterator<Card> it = memorySet.iterator();
-
-            while (it.hasNext()) {
-                Card c = it.next();
-                if (c.getName().equals(cardName)) {
-                    return true;
-                }
+        while (it.hasNext()) {
+            Card c = it.next();
+            if (c.getName().equals(cardName)) {
+                return true;
             }
         }
 
@@ -177,15 +174,12 @@ public class AiCardMemory {
      */
     public boolean isRememberedCardByName(String cardName, MemorySet set, Player owner) {
         Set<Card> memorySet = getMemorySet(set);
+        Iterator<Card> it = memorySet.iterator();
 
-        if (memorySet != null) {
-            Iterator<Card> it = memorySet.iterator();
-
-            while (it.hasNext()) {
-                Card c = it.next();
-                if (c.getName().equals(cardName) && c.getOwner().equals(owner)) {
-                    return true;
-                }
+        while (it.hasNext()) {
+            Card c = it.next();
+            if (c.getName().equals(cardName) && c.getOwner().equals(owner)) {
+                return true;
             }
         }
 
@@ -203,12 +197,7 @@ public class AiCardMemory {
         if (c == null)
             return false;
 
-        Set<Card> memorySet = getMemorySet(set);
-
-        if (memorySet != null) {
-            memorySet.add(c);
-        }
-
+        getMemorySet(set).add(c);
         return true;
     }
 
@@ -227,12 +216,7 @@ public class AiCardMemory {
             return false;
         }
 
-        Set<Card> memorySet = getMemorySet(set);
-
-        if (memorySet != null) {
-            memorySet.remove(c);
-        }
-
+        getMemorySet(set).remove(c);
         return true;
     }
 
@@ -245,15 +229,12 @@ public class AiCardMemory {
      */
     public boolean forgetAnyCardWithName(String cardName, MemorySet set) {
         Set<Card> memorySet = getMemorySet(set);
+        Iterator<Card> it = memorySet.iterator();
 
-        if (memorySet != null) {
-            Iterator<Card> it = memorySet.iterator();
-
-            while (it.hasNext()) {
-                Card c = it.next();
-                if (c.getName().equals(cardName)) {
-                    return forgetCard(c, set);
-                }
+        while (it.hasNext()) { 
+            Card c = it.next();
+            if (c.getName().equals(cardName)) {
+                return forgetCard(c, set);
             }
         }
         
@@ -270,15 +251,12 @@ public class AiCardMemory {
      */
     public boolean forgetAnyCardWithName(String cardName, MemorySet set, Player owner) {
         Set<Card> memorySet = getMemorySet(set);
+        Iterator<Card> it = memorySet.iterator();
 
-        if (memorySet != null) {
-            Iterator<Card> it = memorySet.iterator();
-
-            while (it.hasNext()) {
-                Card c = it.next();
-                if (c.getName().equals(cardName) && c.getOwner().equals(owner)) {
-                    return forgetCard(c, set);
-                }
+        while (it.hasNext()) { 
+            Card c = it.next();
+            if (c.getName().equals(cardName) && c.getOwner().equals(owner)) {
+                return forgetCard(c, set);
             }
         }
         
@@ -291,16 +269,14 @@ public class AiCardMemory {
      * @return true, if the given memory set contains no remembered cards.
      */
     public boolean isMemorySetEmpty(MemorySet set) {
-        return set == null || getMemorySet(set).isEmpty();
+        return getMemorySet(set).isEmpty();
     }
     
     /**
      * Clears the given memory set.
      */
     public void clearMemorySet(MemorySet set) {
-        if (set != null) {
-            getMemorySet(set).clear();
-        }
+        getMemorySet(set).clear();
     }
 
     /**

forge-ai/src/main/java/forge/ai/AiController.java

@@ -18,10 +18,12 @@
 package forge.ai;
 
 import com.esotericsoftware.minlog.Log;
+import com.google.common.base.Function;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import forge.ai.ability.ChangeZoneAi;
 import forge.ai.ability.ExploreAi;
 import forge.ai.simulation.SpellAbilityPicker;
@@ -48,7 +50,6 @@ import forge.game.player.Player;
 import forge.game.player.PlayerActionConfirmMode;
 import forge.game.replacement.ReplaceMoved;
 import forge.game.replacement.ReplacementEffect;
-import forge.game.replacement.ReplacementType;
 import forge.game.spellability.*;
 import forge.game.staticability.StaticAbility;
 import forge.game.trigger.Trigger;
@@ -59,7 +60,6 @@ import forge.item.PaperCard;
 import forge.util.Aggregates;
 import forge.util.Expressions;
 import forge.util.MyRandom;
-import forge.util.ComparatorUtil;
 import forge.util.collect.FCollectionView;
 import io.sentry.Sentry;
 import io.sentry.event.BreadcrumbBuilder;
@@ -610,15 +610,7 @@ public class AiController {
             ComputerUtilAbility.getAvailableCards(game, player);
 
         List<SpellAbility> all = ComputerUtilAbility.getSpellAbilities(cards, player);
-
-        try {
-            Collections.sort(all, saComparator); // put best spells first
-        }
-        catch (IllegalArgumentException ex) {
-            System.err.println(ex.getMessage());
-            String assertex = ComparatorUtil.verifyTransitivity(saComparator, all);
-            Sentry.capture(ex.getMessage() + "\nAssertionError [verifyTransitivity]: " + assertex);
-        }
+        Collections.sort(all, saComparator); // put best spells first
 
         for (final SpellAbility sa : ComputerUtilAbility.getOriginalAndAltCostAbilities(all, player)) {
             ApiType saApi = sa.getApi();
@@ -665,10 +657,10 @@ public class AiController {
             return false;
         }
 
-        AiCardMemory.MemorySet memSet = null;
+        AiCardMemory.MemorySet memSet;
         if (phaseType == null && forNextSpell) {
             memSet = AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_NEXT_SPELL;
-        } else if (phaseType != null) {
+        } else {
             switch (phaseType) {
                 case MAIN2:
                     memSet = AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_MAIN2;
@@ -1020,7 +1012,7 @@ public class AiController {
                 p += 9;
             }
             // sort planeswalker abilities with most costly first
-            if (sa.isPwAbility()) {
+            if (sa.getRestrictions().isPwAbility()) {
                 final CostPart cost = sa.getPayCosts().getCostParts().get(0);
                 if (cost instanceof CostRemoveCounter) {
                     p += cost.convertAmount() == null ? 1 : cost.convertAmount();
@@ -1052,10 +1044,9 @@ public class AiController {
     }
 
     public CardCollection getCardsToDiscard(final int numDiscard, final String[] uTypes, final SpellAbility sa, final CardCollectionView exclude) {
-        boolean noFiltering = (sa != null) && "DiscardCMCX".equals(sa.getParam("AILogic")); // list AI logic for which filtering is taken care of elsewhere
         CardCollection hand = new CardCollection(player.getCardsIn(ZoneType.Hand));
         hand.removeAll(exclude);
-        if ((uTypes != null) && (sa != null) && !noFiltering) {
+        if ((uTypes != null) && (sa != null)) {
             hand = CardLists.getValidCards(hand, uTypes, sa.getActivatingPlayer(), sa.getHostCard(), sa);
         }
         return getCardsToDiscard(numDiscard, numDiscard, hand, sa);
@@ -1075,14 +1066,6 @@ public class AiController {
                 min = 1;
             } else if ("VolrathsShapeshifter".equals(sa.getParam("AILogic"))) {
                 return SpecialCardAi.VolrathsShapeshifter.targetBestCreature(player, sa);
-            } else if ("DiscardCMCX".equals(sa.getParam("AILogic"))) {
-                final int CMC = Integer.parseInt(sourceCard.getSVar("PayX"));
-                CardCollection discards = CardLists.filter(player.getCardsIn(ZoneType.Hand), CardPredicates.hasCMC(CMC));
-                if (discards.isEmpty()) {
-                    return null;
-                } else {
-                    return new CardCollection(ComputerUtilCard.getWorstAI(discards));
-                }
             }
 
             if (sa.hasParam("AnyNumber")) {
@@ -1228,7 +1211,7 @@ public class AiController {
     public boolean confirmAction(SpellAbility sa, PlayerActionConfirmMode mode, String message) {
         ApiType api = sa.getApi();
 
-        // Abilities without api may also use this routine, However they should provide a unique mode value ?? How could this work?
+        // Abilities without api may also use this routine, However they should provide a unique mode value
         if (api == null) {
             String exMsg = String.format("AI confirmAction does not know what to decide about %s mode (api is null).",
                     mode);
@@ -1581,14 +1564,7 @@ public class AiController {
         if (all == null || all.isEmpty())
             return null;
 
-        try {
-            Collections.sort(all, saComparator); // put best spells first
-        }
-        catch (IllegalArgumentException ex) {
-            System.err.println(ex.getMessage());
-            String assertex = ComparatorUtil.verifyTransitivity(saComparator, all);
-            Sentry.capture(ex.getMessage() + "\nAssertionError [verifyTransitivity]: " + assertex);
-        }
+        Collections.sort(all, saComparator); // put best spells first
         
         for (final SpellAbility sa : ComputerUtilAbility.getOriginalAndAltCostAbilities(all, player)) {
             // Don't add Counterspells to the "normal" playcard lookups
@@ -1662,6 +1638,7 @@ public class AiController {
             // For non-converted triggers (such as Cumulative Upkeep) that don't have costs or targets to worry about
             return true;
         }
+        
         return false;
     }
     
@@ -1677,14 +1654,14 @@ public class AiController {
             hostCard = game.getCardState(hostCard);
         }
 
-        if (effect.hasParam("AICheckSVar")) {
+        if (effect.getMapParams().containsKey("AICheckSVar")) {
             System.out.println("aiShouldRun?" + sa);
-            final String svarToCheck = effect.getParam("AICheckSVar");
+            final String svarToCheck = effect.getMapParams().get("AICheckSVar");
             String comparator = "GE";
             int compareTo = 1;
 
-            if (effect.hasParam("AISVarCompare")) {
-                final String fullCmp = effect.getParam("AISVarCompare");
+            if (effect.getMapParams().containsKey("AISVarCompare")) {
+                final String fullCmp = effect.getMapParams().get("AISVarCompare");
                 comparator = fullCmp.substring(0, 2);
                 final String strCmpTo = fullCmp.substring(2);
                 try {
@@ -1706,11 +1683,16 @@ public class AiController {
                 left = AbilityUtils.calculateAmount(hostCard, svarToCheck, sa);
             }
             System.out.println("aiShouldRun?" + left + comparator + compareTo);
-            return Expressions.compare(left, comparator, compareTo);
-        } else if (effect.hasParam("AICheckDredge")) {
+            if (Expressions.compare(left, comparator, compareTo)) {
+                return true;
+            }
+        } else if (effect.getMapParams().containsKey("AICheckDredge")) {
             return player.getCardsIn(ZoneType.Library).size() > 8 || player.isCardInPlay("Laboratory Maniac");
-        } else return sa != null && doTrigger(sa, false);
+        } else if (sa != null && doTrigger(sa, false)) {
+            return true;
+        }
 
+        return false;
     }
 
     public List<SpellAbility> chooseSaToActivateFromOpeningHand(List<SpellAbility> usableFromOpeningHand) {
@@ -1789,7 +1771,7 @@ public class AiController {
                     + MyRandom.getRandom().nextInt(3);
             return Math.max(remaining, min) / 2;
         } else if ("LowestLoseLife".equals(logic)) {
-            return MyRandom.getRandom().nextInt(Math.min(player.getLife() / 3, player.getWeakestOpponent().getLife())) + 1;
+            return MyRandom.getRandom().nextInt(Math.min(player.getLife() / 3, ComputerUtil.getOpponentFor(player).getLife())) + 1;
         } else if ("HighestGetCounter".equals(logic)) {
             return MyRandom.getRandom().nextInt(3);
         } else if (source.hasSVar("EnergyToPay")) {
@@ -1802,6 +1784,75 @@ public class AiController {
         throw new UnsupportedOperationException("AI is not supposed to reach this code at the moment");
     }
 
+    public Map<GameEntity, CounterType> chooseProliferation(final SpellAbility sa) {
+        final Map<GameEntity, CounterType> result = Maps.newHashMap();  
+        
+        final List<Player> allies = player.getAllies();
+        allies.add(player);
+        final List<Player> enemies = player.getOpponents();
+        final Function<Card, CounterType> predProliferate = new Function<Card, CounterType>() {
+            @Override
+            public CounterType apply(Card crd) {
+                //fast way out, no need to check other stuff
+                if (!crd.hasCounters()) {
+                    return null;
+                }
+
+                // cards controlled by ai or ally with Vanishing or Fading
+                // and exaclty one counter of the specifice type gets high priority to keep the card
+                if (allies.contains(crd.getController())) {
+                    // except if its a Chronozoa, because it WANTS to be removed to make more
+                    if (crd.hasKeyword(Keyword.VANISHING) && !"Chronozoa".equals(crd.getName())) {
+                        if (crd.getCounters(CounterType.TIME) == 1) {
+                            return CounterType.TIME;
+                        }
+                    } else if (crd.hasKeyword(Keyword.FADING)) {
+                        if (crd.getCounters(CounterType.FADE) == 1) {
+                            return CounterType.FADE;
+                        }
+                    }
+                }
+
+                for (final Entry<CounterType, Integer> c1 : crd.getCounters().entrySet()) {
+                    // if card can not recive the given counter, try another one
+                    if (!crd.canReceiveCounters(c1.getKey())) {
+                        continue;
+                    }
+                    if (ComputerUtil.isNegativeCounter(c1.getKey(), crd) && enemies.contains(crd.getController())) {
+                        return c1.getKey();
+                    }
+                    if (!ComputerUtil.isNegativeCounter(c1.getKey(), crd) && allies.contains(crd.getController())) {
+                        return c1.getKey();
+                    }
+                }
+                return null;
+            }
+        };
+
+        for (Card c : game.getCardsIn(ZoneType.Battlefield)) {
+            CounterType ct = predProliferate.apply(c);
+            if (ct != null)
+                result.put(c, ct);
+        }
+        
+        for (Player e : enemies) {
+            // TODO In the future check of enemies can get poison counters and give them some other bad counter type
+            if (e.getCounters(CounterType.POISON) > 0) {
+                result.put(e, CounterType.POISON);
+            }
+        }
+
+        for (Player pl : allies) {
+            if (pl.getCounters(CounterType.EXPERIENCE) > 0) {
+                result.put(pl, CounterType.EXPERIENCE);
+            } else if (pl.getCounters(CounterType.ENERGY) > 0) {
+                result.put(pl, CounterType.ENERGY);
+            }
+        }
+
+        return result;
+    }
+
     public CardCollection chooseCardsForEffect(CardCollectionView pool, SpellAbility sa, int min, int max, boolean isOptional) {
         if (sa == null || sa.getApi() == null) {
             throw new UnsupportedOperationException();
@@ -1846,7 +1897,7 @@ public class AiController {
                     // Special case for Bow to My Command which simulates a complex tap cost via ChooseCard
                     // TODO: consider enhancing support for tapXType<Any/...> in UnlessCost to get rid of this hack
                     if ("BowToMyCommand".equals(sa.getParam("AILogic"))) {
-                        if (!sa.getHostCard().isInZone(ZoneType.Command)) {
+                        if (!sa.getHostCard().getZone().is(ZoneType.Command)) {
                             // Make sure that other opponents do not tap for an already abandoned scheme
                             result.clear();
                             break;
@@ -2089,47 +2140,50 @@ public class AiController {
         // AI-specific restrictions specified as activation parameters in spell abilities
         
         if (sa.hasParam("AILifeThreshold")) {
-            return player.getLife() > Integer.parseInt(sa.getParam("AILifeThreshold"));
+            if (player.getLife() <= Integer.parseInt(sa.getParam("AILifeThreshold"))) {
+                return false;
+            }
         }
         
         return true;
     }
 
-    public ReplacementEffect chooseSingleReplacementEffect(List<ReplacementEffect> list) {
+    public ReplacementEffect chooseSingleReplacementEffect(List<ReplacementEffect> list,
+            Map<String, Object> runParams) {
         // no need to choose anything
         if (list.size() <= 1) {
             return Iterables.getFirst(list, null);
         }
 
-        ReplacementType mode = Iterables.getFirst(list, null).getMode();
+        if (runParams.containsKey("Event")) {
+            // replace lifegain effects
+            if ("GainLife".equals(runParams.get("Event"))) {
+                List<ReplacementEffect> noGain = filterListByAiLogic(list, "NoLife");
+                List<ReplacementEffect> loseLife = filterListByAiLogic(list, "LoseLife");
+                List<ReplacementEffect> doubleLife = filterListByAiLogic(list, "DoubleLife");
+                List<ReplacementEffect> lichDraw = filterListByAiLogic(list, "LichDraw");
 
-        // replace lifegain effects
-        if (mode.equals(ReplacementType.GainLife)) {
-            List<ReplacementEffect> noGain = filterListByAiLogic(list, "NoLife");
-            List<ReplacementEffect> loseLife = filterListByAiLogic(list, "LoseLife");
-            List<ReplacementEffect> doubleLife = filterListByAiLogic(list, "DoubleLife");
-            List<ReplacementEffect> lichDraw = filterListByAiLogic(list, "LichDraw");
+                if (!noGain.isEmpty()) {
+                    // no lifegain is better than lose life
+                    return Iterables.getFirst(noGain, null);
+                } else if (!loseLife.isEmpty()) {
+                    // lose life before double life to prevent lose double
+                    return Iterables.getFirst(loseLife, null);
+                } else if (!lichDraw.isEmpty()) {
+                    // lich draw before double life to prevent to draw to much
+                    return Iterables.getFirst(lichDraw, null);
+                } else if (!doubleLife.isEmpty()) {
+                    // other than that, do double life
+                    return Iterables.getFirst(doubleLife, null);
+                }
+            } else if ("DamageDone".equals(runParams.get("Event"))) {
+                List<ReplacementEffect> prevention = filterList(list, CardTraitPredicates.hasParam("Prevention"));
 
-            if (!noGain.isEmpty()) {
-                // no lifegain is better than lose life
-                return Iterables.getFirst(noGain, null);
-            } else if (!loseLife.isEmpty()) {
-                // lose life before double life to prevent lose double
-                return Iterables.getFirst(loseLife, null);
-            } else if (!lichDraw.isEmpty()) {
-                // lich draw before double life to prevent to draw to much
-                return Iterables.getFirst(lichDraw, null);
-            } else if (!doubleLife.isEmpty()) {
-                // other than that, do double life
-                return Iterables.getFirst(doubleLife, null);
-            }
-        } else if (mode.equals(ReplacementType.DamageDone)) {
-            List<ReplacementEffect> prevention = filterList(list, CardTraitPredicates.hasParam("Prevention"));
-
-            // TODO when Protection is done as ReplacementEffect do them
-            // before normal prevention
-            if (!prevention.isEmpty()) {
-                return Iterables.getFirst(prevention, null);
+                // TODO when Protection is done as ReplacementEffect do them
+                // before normal prevention
+                if (!prevention.isEmpty()) {
+                    return Iterables.getFirst(prevention, null);
+                }
             }
         }
 

forge-ai/src/main/java/forge/ai/AiCostDecision.java

@@ -56,7 +56,7 @@ public class AiCostDecision extends CostDecisionMakerBase {
     @Override
     public PaymentDecision visit(CostChooseCreatureType cost) {
         String choice = player.getController().chooseSomeType("Creature", ability, CardType.getAllCreatureTypes(),
-                Lists.newArrayList());
+                Lists.<String>newArrayList());
         return PaymentDecision.type(choice);
     }
 
@@ -475,7 +475,7 @@ public class AiCostDecision extends CostDecisionMakerBase {
                 if (ability.getPayCosts().hasTapCost() && typeList.contains(ability.getHostCard())) {
                     c--;
                 }
-                source.setSVar("ChosenX", "Number$" + c);
+                source.setSVar("ChosenX", "Number$" + Integer.toString(c));
             } else {
                 if (!isVehicle) {
                     c = AbilityUtils.calculateAmount(source, amount, ability);
@@ -809,7 +809,7 @@ public class AiCostDecision extends CostDecisionMakerBase {
             final String sVar = ability.getSVar(amount);
             if (sVar.equals("XChoice")) {
                 c = AbilityUtils.calculateAmount(source, "ChosenX", ability);
-                source.setSVar("ChosenX", "Number$" + c);
+                source.setSVar("ChosenX", "Number$" + String.valueOf(c));
             } else if (amount.equals("All")) {
                 c = source.getCounters(cost.counter);
             } else if (sVar.equals("Targeted$CardManaCost")) {
@@ -821,8 +821,6 @@ public class AiCostDecision extends CostDecisionMakerBase {
                         }
                     }
                 }
-            } else if (sVar.equals("Count$xPaid")) {
-                c = AbilityUtils.calculateAmount(source, "PayX", null);
             } else {
                 c = AbilityUtils.calculateAmount(source, amount, ability);
             }
@@ -865,7 +863,7 @@ public class AiCostDecision extends CostDecisionMakerBase {
                 }
                 typeList = CardLists.filter(typeList, Presets.TAPPED);
                 c = typeList.size();
-                source.setSVar("ChosenX", "Number$" + c);
+                source.setSVar("ChosenX", "Number$" + Integer.toString(c));
             } else {
                 c = AbilityUtils.calculateAmount(source, amount, ability);
             }

forge-ai/src/main/java/forge/ai/AiPlayDecision.java

@@ -17,5 +17,5 @@ public enum AiPlayDecision {
     WouldBecomeZeroToughnessCreature,
     WouldDestroyWorldEnchantment,
     BadEtbEffects,
-    CurseEffects
+    CurseEffects;
 }

forge-ai/src/main/java/forge/ai/AiProfileUtil.java

@@ -39,7 +39,7 @@ import java.util.Map;
  * @version $Id: AIProfile.java 20169 2013-03-08 08:24:17Z Agetian $
  */
 public class AiProfileUtil {
-    private static Map<String, Map<AiProps, String>> loadedProfiles = new HashMap<>();
+    private static Map<String, Map<AiProps, String>> loadedProfiles = new HashMap<String, Map<AiProps, String>>();
 
     private static String AI_PROFILE_DIR;
     private static final String AI_PROFILE_EXT = ".ai";
@@ -74,7 +74,7 @@ public class AiProfileUtil {
      * @param profileName a profile to load.
      */
     private static final Map<AiProps, String> loadProfile(final String profileName) {
-        Map<AiProps, String> profileMap = new HashMap<>();
+        Map<AiProps, String> profileMap = new HashMap<AiProps, String>();
 
         List<String> lines = FileUtil.readFile(buildFileName(profileName));
         for (String line : lines) {
@@ -122,7 +122,7 @@ public class AiProfileUtil {
      */
     public static List<String> getAvailableProfiles()
     {
-        final List<String> availableProfiles = new ArrayList<>();
+        final List<String> availableProfiles = new ArrayList<String>();
 
         final File dir = new File(AI_PROFILE_DIR);
         final String[] children = dir.list();
@@ -146,7 +146,7 @@ public class AiProfileUtil {
      * available profiles including special random profile tags.
      */
     public static List<String> getProfilesDisplayList() {
-        final List<String> availableProfiles = new ArrayList<>();
+        final List<String> availableProfiles = new ArrayList<String>();
         availableProfiles.add(AI_PROFILE_RANDOM_MATCH);
         availableProfiles.add(AI_PROFILE_RANDOM_DUEL);
         availableProfiles.addAll(getAvailableProfiles());

forge-ai/src/main/java/forge/ai/AiProps.java

@@ -129,10 +129,7 @@ public enum AiProps { /** */
     FLASH_USE_BUFF_AURAS_AS_COMBAT_TRICKS("true"),
     FLASH_BUFF_AURA_CHANCE_TO_CAST_EARLY("1"),
     FLASH_BUFF_AURA_CHANCE_CAST_AT_EOT("5"),
-    FLASH_BUFF_AURA_CHANCE_TO_RESPOND_TO_STACK("100"),
-    BLINK_RELOAD_PLANESWALKER_CHANCE("30"), /** */
-    BLINK_RELOAD_PLANESWALKER_MAX_LOYALTY("2"), /** */
-    BLINK_RELOAD_PLANESWALKER_LOYALTY_DIFF("2"); /** */
+    FLASH_BUFF_AURA_CHANCE_TO_RESPOND_TO_STACK("100"); /** */
     // Experimental features, must be promoted or removed after extensive testing and, ideally, defaulting
     // <-- There are no experimental options here -->
 

forge-ai/src/main/java/forge/ai/ComputerUtil.java

@@ -29,7 +29,6 @@ import forge.card.MagicColor;
 import forge.card.mana.ManaCostShard;
 import forge.game.*;
 import forge.game.ability.AbilityFactory;
-import forge.game.ability.AbilityKey;
 import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.ability.effects.CharmEffect;
@@ -44,12 +43,10 @@ import forge.game.phase.PhaseType;
 import forge.game.player.Player;
 import forge.game.replacement.ReplacementEffect;
 import forge.game.replacement.ReplacementLayer;
-import forge.game.replacement.ReplacementType;
 import forge.game.spellability.*;
 import forge.game.staticability.StaticAbility;
 import forge.game.trigger.Trigger;
 import forge.game.trigger.TriggerType;
-import forge.game.trigger.WrappedAbility;
 import forge.game.zone.Zone;
 import forge.game.zone.ZoneType;
 import forge.util.Aggregates;
@@ -76,18 +73,19 @@ public class ComputerUtil {
     public static boolean handlePlayingSpellAbility(final Player ai, SpellAbility sa, final Game game, Runnable chooseTargets) {
         game.getStack().freezeStack();
         final Card source = sa.getHostCard();
-        source.setSplitStateToPlayAbility(sa);
 
         if (sa.isSpell() && !source.isCopiedSpell()) {
-            sa = AbilityUtils.addSpliceEffects(sa);
-            if (sa.getSplicedCards() != null && !sa.getSplicedCards().isEmpty() && ai.getController().isAI()) {
-                // we need to reconsider and retarget the SA after additional SAs have been added onto it via splice,
-                // otherwise the AI will fail to add the card to stack and that'll knock it out of the game
-                sa.resetTargets();
-                if (((PlayerControllerAi) ai.getController()).getAi().canPlaySa(sa) != AiPlayDecision.WillPlay) {
-                    // for whatever reason the AI doesn't want to play the thing with the spliced subs anymore,
-                    // proceeding past this point may result in an illegal play
-                    return false;
+            if (source.getType().hasStringType("Arcane")) {
+                sa = AbilityUtils.addSpliceEffects(sa);
+                if (sa.getSplicedCards() != null && !sa.getSplicedCards().isEmpty() && ai.getController().isAI()) {
+                    // we need to reconsider and retarget the SA after additional SAs have been added onto it via splice,
+                    // otherwise the AI will fail to add the card to stack and that'll knock it out of the game
+                    sa.resetTargets();
+                    if (((PlayerControllerAi) ai.getController()).getAi().canPlaySa(sa) != AiPlayDecision.WillPlay) {
+                        // for whatever reason the AI doesn't want to play the thing with the spliced subs anymore,
+                        // proceeding past this point may result in an illegal play
+                        return false;
+                    }
                 }
             }
 
@@ -97,12 +95,10 @@ public class ComputerUtil {
             sa.setHostCard(game.getAction().moveToStack(source, sa));
         }
 
-        if (!sa.isCopied()) {
+        if (sa.isCopied()) {
             sa.resetPaidHash();
         }
 
-        sa = GameActionUtil.addExtraKeywordCost(sa);
-
         if (sa.getApi() == ApiType.Charm && !sa.isWrapper()) {
             CharmEffect.makeChoices(sa);
         }
@@ -212,7 +208,7 @@ public class ComputerUtil {
     }
 
     // this is used for AI's counterspells
-    public static final boolean playStack(SpellAbility sa, final Player ai, final Game game) {
+    public static final boolean playStack(final SpellAbility sa, final Player ai, final Game game) {
         sa.setActivatingPlayer(ai);
         if (!ComputerUtilCost.canPayCost(sa, ai)) 
             return false;
@@ -224,9 +220,6 @@ public class ComputerUtil {
             sa.setLastStateGraveyard(game.getLastStateGraveyard());
             sa.setHostCard(game.getAction().moveToStack(source, sa));
         }
-
-        sa = GameActionUtil.addExtraKeywordCost(sa);
-
         final Cost cost = sa.getPayCosts();
         if (cost == null) {
             ComputerUtilMana.payManaCost(ai, sa);
@@ -256,15 +249,13 @@ public class ComputerUtil {
     }
 
     public static final boolean playSpellAbilityWithoutPayingManaCost(final Player ai, final SpellAbility sa, final Game game) {
-        SpellAbility newSA = sa.copyWithNoManaCost();
+        final SpellAbility newSA = sa.copyWithNoManaCost();
         newSA.setActivatingPlayer(ai);
 
         if (!CostPayment.canPayAdditionalCosts(newSA.getPayCosts(), newSA)) {
             return false;
         }
 
-        newSA = GameActionUtil.addExtraKeywordCost(newSA);
-
         final Card source = newSA.getHostCard();
         if (newSA.isSpell() && !source.isCopiedSpell()) {
             source.setCastSA(newSA);
@@ -284,7 +275,7 @@ public class ComputerUtil {
         return true;
     }
 
-    public static final void playNoStack(final Player ai, SpellAbility sa, final Game game) {
+    public static final void playNoStack(final Player ai, final SpellAbility sa, final Game game) {
         sa.setActivatingPlayer(ai);
         // TODO: We should really restrict what doesn't use the Stack
         if (ComputerUtilCost.canPayCost(sa, ai)) {
@@ -296,8 +287,6 @@ public class ComputerUtil {
                 sa.setHostCard(game.getAction().moveToStack(source, sa));
             }
 
-            sa = GameActionUtil.addExtraKeywordCost(sa);
-
             final Cost cost = sa.getPayCosts();
             if (cost == null) {
                 ComputerUtilMana.payManaCost(ai, sa);
@@ -425,7 +414,7 @@ public class ComputerUtil {
                 int mana = ComputerUtilMana.getAvailableManaEstimate(ai, false);
 
                 boolean cantAffordSoon = activate.getCMC() > mana + 1;
-                boolean wrongColor = !activate.determineColor().hasNoColorsExcept(ColorSet.fromNames(ComputerUtilCost.getAvailableManaColors(ai, ImmutableList.of())).getColor());
+                boolean wrongColor = !activate.determineColor().hasNoColorsExcept(ColorSet.fromNames(ComputerUtilCost.getAvailableManaColors(ai, ImmutableList.<Card>of())).getColor());
 
                 // Only do this for spells, not activated abilities
                 // We can't pay for this spell even if we play another land, or have wrong colors
@@ -526,7 +515,7 @@ public class ComputerUtil {
 
         typeList = CardLists.filter(typeList, CardPredicates.canBeSacrificedBy(ability));
 
-        if ((target != null) && target.getController() == ai) {
+        if ((target != null) && target.getController() == ai && typeList.contains(target)) {
             typeList.remove(target); // don't sacrifice the card we're pumping
         }
 
@@ -556,7 +545,7 @@ public class ComputerUtil {
             final Card target, final int amount) {
         CardCollection typeList = CardLists.getValidCards(ai.getCardsIn(zone), type.split(";"), activate.getController(), activate, null);
         
-        if ((target != null) && target.getController() == ai) {
+        if ((target != null) && target.getController() == ai && typeList.contains(target)) {
             typeList.remove(target); // don't exile the card we're pumping
         }
 
@@ -577,7 +566,7 @@ public class ComputerUtil {
             final Card target, final int amount) {
         CardCollection typeList = CardLists.getValidCards(ai.getCardsIn(zone), type.split(";"), activate.getController(), activate, null);
         
-        if ((target != null) && target.getController() == ai) {
+        if ((target != null) && target.getController() == ai && typeList.contains(target)) {
             typeList.remove(target); // don't move the card we're pumping
         }
 
@@ -706,7 +695,7 @@ public class ComputerUtil {
     public static CardCollection chooseReturnType(final Player ai, final String type, final Card activate, final Card target, final int amount) {
         final CardCollection typeList =
                 CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), type.split(";"), activate.getController(), activate, null);
-        if ((target != null) && target.getController() == ai) {
+        if ((target != null) && target.getController() == ai && typeList.contains(target)) {
             // don't bounce the card we're pumping
             typeList.remove(target);
         }
@@ -756,7 +745,7 @@ public class ComputerUtil {
         	if (source.hasParam("Exploit")) {
         		for (Trigger t : host.getTriggers()) {
         			if (t.getMode() == TriggerType.Exploited) {
-        	            final String execute = t.getParam("Execute");
+        	            final String execute = t.getMapParams().get("Execute");
         	            if (execute == null) {
         	                continue;
         	            }
@@ -808,7 +797,7 @@ public class ComputerUtil {
 
         final int max = Math.min(remaining.size(), amount);
 
-        if (exceptSelf && max < remaining.size()) {
+        if (exceptSelf) {
             removedSelf = remaining.remove(source.getHostCard());
         }
 
@@ -1237,7 +1226,7 @@ public class ComputerUtil {
             //Fill the graveyard for Threshold
             if (checkThreshold) {
                 for (StaticAbility stAb : buffedCard.getStaticAbilities()) {
-                    if ("Threshold".equals(stAb.getParam("Condition"))) {
+                    if ("Threshold".equals(stAb.getMapParams().get("Condition"))) {
                         return true;
                     }
                 }
@@ -1265,9 +1254,9 @@ public class ComputerUtil {
 
     // returns true if the AI should stop using the ability
     public static boolean preventRunAwayActivations(final SpellAbility sa) {
-        int activations = sa.getActivationsThisTurn();
+        int activations = sa.getRestrictions().getNumberTurnActivations();
 
-        if (!sa.isIntrinsic()) {
+        if (sa.isTemporary()) {
         	return MyRandom.getRandom().nextFloat() >= .95; // Abilities created by static abilities have no memory
         }
 
@@ -1516,7 +1505,7 @@ public class ComputerUtil {
      */
     public static List<GameObject> predictThreatenedObjects(final Player ai, final SpellAbility sa, boolean top) {
         final Game game = ai.getGame();
-        final List<GameObject> objects = new ArrayList<>();
+        final List<GameObject> objects = new ArrayList<GameObject>();
         if (game.getStack().isEmpty()) {
             return objects;
         }
@@ -1526,9 +1515,6 @@ public class ComputerUtil {
             // iterate from top of stack to find SpellAbility, including sub-abilities,
             // that does not match "sa"
             SpellAbility spell = si.getSpellAbility(true), sub = spell.getSubAbility();
-            if (spell.isWrapper()) {
-                spell = ((WrappedAbility) spell).getWrappedAbility();
-            }
             while (sub != null && sub != sa) {
                 sub = sub.getSubAbility();
             }
@@ -1545,8 +1531,8 @@ public class ComputerUtil {
 
     private static Iterable<? extends GameObject> predictThreatenedObjects(final Player aiPlayer, final SpellAbility saviour,
             final SpellAbility topStack) {
-        Iterable<? extends GameObject> objects = new ArrayList<>();
-        final List<GameObject> threatened = new ArrayList<>();
+        Iterable<? extends GameObject> objects = new ArrayList<GameObject>();
+        final List<GameObject> threatened = new ArrayList<GameObject>();
         ApiType saviourApi = saviour == null ? null : saviour.getApi();
         int toughness = 0;
         boolean grantIndestructible = false;
@@ -1576,7 +1562,7 @@ public class ComputerUtil {
             }
         } else {
             objects = topStack.getTargets().getTargets();
-            final List<GameObject> canBeTargeted = new ArrayList<>();
+            final List<GameObject> canBeTargeted = new ArrayList<GameObject>();
             for (Object o : objects) {
                 if (o instanceof Card) {
                     final Card c = (Card) o;
@@ -1599,7 +1585,7 @@ public class ComputerUtil {
                 toughness = saviorWithSubs.hasParam("NumDef") ?
                         AbilityUtils.calculateAmount(saviorWithSubs.getHostCard(), saviorWithSubs.getParam("NumDef"), saviour) : 0;
                 final List<String> keywords = saviorWithSubs.hasParam("KW") ?
-                        Arrays.asList(saviorWithSubs.getParam("KW").split(" & ")) : new ArrayList<>();
+                        Arrays.asList(saviorWithSubs.getParam("KW").split(" & ")) : new ArrayList<String>();
                 if (keywords.contains("Indestructible")) {
                     grantIndestructible = true;
                 }
@@ -1614,7 +1600,7 @@ public class ComputerUtil {
         }
 
         if (saviourApi == ApiType.PutCounter || saviourApi == ApiType.PutCounterAll) {
-            if (saviour != null && saviour.getParam("CounterType").equals("P1P1")) {
+            if (saviour.getParam("CounterType").equals("P1P1")) {
                 toughness = AbilityUtils.calculateAmount(saviour.getHostCard(), saviour.getParam("CounterNum"), saviour);
             } else {
                 return threatened;
@@ -1632,7 +1618,7 @@ public class ComputerUtil {
             final SpellAbility sub = topStack.getSubAbility();
             boolean noRegen = false;
             if (sub != null && sub.getApi() == ApiType.Pump) {
-                final List<String> keywords = sub.hasParam("KW") ? Arrays.asList(sub.getParam("KW").split(" & ")) : new ArrayList<>();
+                final List<String> keywords = sub.hasParam("KW") ? Arrays.asList(sub.getParam("KW").split(" & ")) : new ArrayList<String>();
                 for (String kw : keywords) {
                     if (kw.contains("can't be regenerated")) {
                         noRegen = true;
@@ -1928,8 +1914,8 @@ public class ComputerUtil {
                 return true;
             }
             if (game.getPhaseHandler().inCombat() && 
-                    ComputerUtilCombat.combatantWouldBeDestroyed(ai, source, game.getCombat())) {
-                return true;
+            		ComputerUtilCombat.combatantWouldBeDestroyed(ai, source, game.getCombat())) {
+            	return true;
             }
         } else if (zone.getZoneType() == ZoneType.Exile && sa.getMayPlay() != null) {
             // play cards in exile that can only be played that turn
@@ -1943,19 +1929,12 @@ public class ComputerUtil {
     }
 
 
-    public static int scoreHand(CardCollectionView handList, Player ai, int cardsToReturn) {
-        // TODO Improve hand scoring in relation to cards to return.
-        // If final hand size is 5, score a hand based on what that 5 would be.
-        // Or if this is really really fast, determine what the 5 would be based on scoring 
-        // All of the possibilities
-
+    public static int scoreHand(CardCollectionView handList, Player ai) {
         final AiController aic = ((PlayerControllerAi)ai.getController()).getAi();
-        int currentHandSize = handList.size();
-        int finalHandSize = currentHandSize - cardsToReturn;
 
         // don't mulligan when already too low
-        if (finalHandSize < aic.getIntProperty(AiProps.MULLIGAN_THRESHOLD)) {
-            return finalHandSize;
+        if (handList.size() < aic.getIntProperty(AiProps.MULLIGAN_THRESHOLD)) {
+            return handList.size();
         }
 
         CardCollectionView library = ai.getZone(ZoneType.Library).getCards();
@@ -1963,14 +1942,17 @@ public class ComputerUtil {
 
         // no land deck, can't do anything better
         if (landsInDeck == 0) {
-            return finalHandSize;
+            return handList.size();
         }
 
         final CardCollectionView lands = CardLists.filter(handList, new Predicate<Card>() {
             @Override
             public boolean apply(final Card c) {
-                return c.getManaCost().getCMC() <= 0 && !c.hasSVar("NeedsToPlay")
-                        && (c.getType().isLand() || c.getType().isArtifact());
+                if (c.getManaCost().getCMC() > 0 || c.hasSVar("NeedsToPlay")
+                        || (!c.getType().isLand() && !c.getType().isArtifact())) {
+                    return false;
+                }
+                return true;
             }
         });
 
@@ -1985,7 +1967,10 @@ public class ComputerUtil {
         final CardCollectionView castables = CardLists.filter(handList, new Predicate<Card>() {
             @Override
             public boolean apply(final Card c) {
-                return c.getManaCost().getCMC() <= 0 || c.getManaCost().getCMC() > landSize;
+                if (c.getManaCost().getCMC() > 0 && c.getManaCost().getCMC() <= landSize) {
+                    return false;
+                }
+                return true;
             }
         });
 
@@ -2025,9 +2010,9 @@ public class ComputerUtil {
     }
 
     // Computer mulligans if there are no cards with converted mana cost of 0 in its hand
-    public static boolean wantMulligan(Player ai, int cardsToReturn) {
+    public static boolean wantMulligan(Player ai) {
         final CardCollectionView handList = ai.getCardsIn(ZoneType.Hand);
-        return scoreHand(handList, ai, cardsToReturn) <= 0;
+        return scoreHand(handList, ai) <= 0;
     }
     
     public static CardCollection getPartialParisCandidates(Player ai) {
@@ -2055,7 +2040,7 @@ public class ComputerUtil {
             //Too many lands!
             //Init
             int cntColors = MagicColor.WUBRG.length;
-            List<CardCollection> numProducers = new ArrayList<>(cntColors);
+            List<CardCollection> numProducers = new ArrayList<CardCollection>(cntColors);
             for (byte col : MagicColor.WUBRG) {
                 numProducers.add(col, new CardCollection());
             }
@@ -2182,7 +2167,10 @@ public class ComputerUtil {
         CardCollection goodChoices = CardLists.filter(validCards, new Predicate<Card>() {
             @Override
             public boolean apply(final Card c) {
-                return !c.hasSVar("DiscardMeByOpp") && !c.hasSVar("DiscardMe");
+                if (c.hasSVar("DiscardMeByOpp") || c.hasSVar("DiscardMe")) {
+                    return false;
+                }
+                return true;
             }
         });
         if (goodChoices.isEmpty()) {
@@ -2218,7 +2206,7 @@ public class ComputerUtil {
 
     public static String chooseSomeType(Player ai, String kindOfType, String logic, List<String> invalidTypes) {
         if (invalidTypes == null) {
-            invalidTypes = ImmutableList.of();
+            invalidTypes = ImmutableList.<String>of();
         }
 
         final Game game = ai.getGame();
@@ -2285,7 +2273,8 @@ public class ComputerUtil {
                     chosen = ComputerUtilCard.getMostProminentType(list, valid);
                 } else  if (logic.equals("MostNeededType")) {
                     // Choose a type that is in the deck, but not in hand or on the battlefield 
-                    final List<String> basics = new ArrayList<>(CardType.Constant.BASIC_TYPES);
+                    final List<String> basics = new ArrayList<String>();
+                    basics.addAll(CardType.Constant.BASIC_TYPES);
                     CardCollectionView presentCards = CardCollection.combine(ai.getCardsIn(ZoneType.Battlefield), ai.getCardsIn(ZoneType.Hand));
                     CardCollectionView possibleCards = ai.getAllCards();
                     
@@ -2403,7 +2392,7 @@ public class ComputerUtil {
             }
             // if source is not on the battlefield anymore, choose +1/+1
             // ones
-            if (!game.getCardState(source).isInZone(ZoneType.Battlefield)) {
+            if (!game.getCardState(source).getZone().is(ZoneType.Battlefield)) {
                 return opponent ? "Feather" : "Quill";
             }
             // if no hand cards, try to mill opponent
@@ -2435,7 +2424,7 @@ public class ComputerUtil {
             }
 
             // if source is not on the battlefield anymore
-            if (!game.getCardState(source).isInZone(ZoneType.Battlefield)) {
+            if (!game.getCardState(source).getZone().is(ZoneType.Battlefield)) {
                 return opponent ? "Strength" : "Numbers";
             }
 
@@ -2484,7 +2473,7 @@ public class ComputerUtil {
             }
 
             // if source is not on the battlefield anymore
-            if (!game.getCardState(source).isInZone(ZoneType.Battlefield)) {
+            if (!game.getCardState(source).getZone().is(ZoneType.Battlefield)) {
                 return opponent ? "Sprout" : "Harvest";
             }
             // TODO add Lifegain to +1/+1 counters trigger
@@ -2538,7 +2527,8 @@ public class ComputerUtil {
             @Override
             public boolean apply(final Card c) {
                 if (c.getController() == ai) {
-                    return !c.getSVar("Targeting").equals("Dies") && !c.getSVar("Targeting").equals("Counter");
+                    if (c.getSVar("Targeting").equals("Dies") || c.getSVar("Targeting").equals("Counter"))
+                    return false;
                 }
                 return true;
             }
@@ -2589,7 +2579,7 @@ public class ComputerUtil {
         int damage = 0;
         final Game game = player.getGame();
         final Card card = sa.getHostCard();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
 
         for (Card c : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(c.getTriggers());
@@ -2681,7 +2671,7 @@ public class ComputerUtil {
     public static int getDamageFromETB(final Player player, final Card permanent) {
         int damage = 0;
         final Game game = player.getGame();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
 
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
@@ -2779,7 +2769,7 @@ public class ComputerUtil {
                 // Iceberg does use Ice as Storage
                 || (type == CounterType.ICE && !"Iceberg".equals(c.getName()))
                 // some lands does use Depletion as Storage Counter
-                || (type == CounterType.DEPLETION && !c.canUntapPhaseController())
+                || (type == CounterType.DEPLETION && c.hasKeyword("CARDNAME doesn't untap during your untap step."))
                 // treat Time Counters on suspended Cards as Bad,
                 // and also on Chronozoa
                 || (type == CounterType.TIME && (!c.isInPlay() || "Chronozoa".equals(c.getName())))
@@ -2850,14 +2840,14 @@ public class ComputerUtil {
         }
 
         // Run any applicable replacement effects.
-        final Map<AbilityKey, Object> repParams = AbilityKey.mapFromAffected(player);
-        repParams.put(AbilityKey.LifeGained, 1);
-        repParams.put(AbilityKey.Source, source);
+        final Map<String, Object> repParams = Maps.newHashMap();
+        repParams.put("Event", "GainLife");
+        repParams.put("Affected", player);
+        repParams.put("LifeGained", 1);
+        repParams.put("Source", source);
 
-        List<ReplacementEffect> list = player.getGame().getReplacementHandler().getReplacementList(
-                ReplacementType.GainLife,
-                repParams,
-                ReplacementLayer.Other);
+        List<ReplacementEffect> list = player.getGame().getReplacementHandler().getReplacementList(repParams,
+                ReplacementLayer.None);
 
         if (Iterables.any(list, CardTraitPredicates.hasParam("AiLogic", "NoLife"))) {
             return false;
@@ -2866,6 +2856,7 @@ public class ComputerUtil {
         } else if (Iterables.any(list, CardTraitPredicates.hasParam("AiLogic", "LichDraw"))) {
             return false;
         }
+
         return true;
     }
 
@@ -2880,15 +2871,14 @@ public class ComputerUtil {
         }
 
         // Run any applicable replacement effects.
-        final Map<AbilityKey, Object> repParams = AbilityKey.mapFromAffected(player);
-        repParams.put(AbilityKey.LifeGained, n);
-        repParams.put(AbilityKey.Source, source);
+        final Map<String, Object> repParams = Maps.newHashMap();
+        repParams.put("Event", "GainLife");
+        repParams.put("Affected", player);
+        repParams.put("LifeGained", n);
+        repParams.put("Source", source);
 
-        List<ReplacementEffect> list = player.getGame().getReplacementHandler().getReplacementList(
-            ReplacementType.GainLife,
-            repParams,
-            ReplacementLayer.Other
-        );
+        List<ReplacementEffect> list = player.getGame().getReplacementHandler().getReplacementList(repParams,
+                ReplacementLayer.None);
 
         if (Iterables.any(list, CardTraitPredicates.hasParam("AiLogic", "NoLife"))) {
             // no life gain is not negative
@@ -2998,23 +2988,14 @@ public class ComputerUtil {
 
         if (sa.hasParam("AITgts")) {
             CardCollection list;
-            String aiTgts = sa.getParam("AITgts");
-            if (aiTgts.startsWith("BetterThan")) {
-                int value = 0;
-                if (aiTgts.endsWith("Source")) {
-                    value = ComputerUtilCard.evaluateCreature(source);
-                    if (source.isEnchanted()) {
-                        for (Card enc : source.getEnchantedBy()) {
-                            if (enc.getController().equals(ai)) {
-                                value += 100; // is 100 per AI's own aura enough?
-                            }
+            if (sa.getParam("AITgts").equals("BetterThanSource")) {
+                int value = ComputerUtilCard.evaluateCreature(source);
+                if (source.isEnchanted()) {
+                    for (Card enc : source.getEnchantedBy()) {
+                        if (enc.getController().equals(ai)) {
+                            value += 100; // is 100 per AI's own aura enough?
                         }
                     }
-                } else if (aiTgts.contains("EvalRating.")) {
-                    value = AbilityUtils.calculateAmount(source, aiTgts.substring(aiTgts.indexOf(".") + 1), sa);
-                } else {
-                    System.err.println("Warning: Unspecified AI target evaluation rating for SA " + sa);
-                    value = ComputerUtilCard.evaluateCreature(source);
                 }
                 final int totalValue = value;
                 list = CardLists.filter(srcList, new Predicate<Card>() {

forge-ai/src/main/java/forge/ai/ComputerUtilAbility.java

@@ -95,15 +95,9 @@ public class ComputerUtilAbility {
 
     public static List<SpellAbility> getOriginalAndAltCostAbilities(final List<SpellAbility> originList, final Player player) {
         final List<SpellAbility> newAbilities = Lists.newArrayList();
-
-        List<SpellAbility> originListWithAddCosts = Lists.newArrayList();
         for (SpellAbility sa : originList) {
-            // If this spell has alternative additional costs, add them instead of the unmodified SA itself
             sa.setActivatingPlayer(player);
-            originListWithAddCosts.addAll(GameActionUtil.getAdditionalCostSpell(sa));
-        }
 
-        for (SpellAbility sa : originListWithAddCosts) {
             // determine which alternative costs are cheaper than the original and prioritize them
             List<SpellAbility> saAltCosts = GameActionUtil.getAlternativeCosts(sa, player);
             List<SpellAbility> priorityAltSa = Lists.newArrayList();

forge-ai/src/main/java/forge/ai/ComputerUtilCard.java

@@ -228,7 +228,7 @@ public class ComputerUtilCard {
         Card cheapest = null;
     
         for (Card c : all) {
-            if (cheapest == null || c.getManaCost().getCMC() <= cheapest.getManaCost().getCMC()) {
+            if (cheapest == null || cheapest.getManaCost().getCMC() <= cheapest.getManaCost().getCMC()) {
                 cheapest = c;
             }
         }
@@ -368,7 +368,7 @@ public class ComputerUtilCard {
         }
     
         if (hasEnchantmants || hasArtifacts) {
-            final List<Card> ae = CardLists.filter(list, Predicates.and(Predicates.or(CardPredicates.Presets.ARTIFACTS, CardPredicates.Presets.ENCHANTMENTS), new Predicate<Card>() {
+            final List<Card> ae = CardLists.filter(list, Predicates.and(Predicates.<Card>or(CardPredicates.Presets.ARTIFACTS, CardPredicates.Presets.ENCHANTMENTS), new Predicate<Card>() {
                 @Override
                 public boolean apply(Card card) {
                     return !card.hasSVar("DoNotDiscardIfAble");
@@ -521,7 +521,7 @@ public class ComputerUtilCard {
      */
     public static CardCollectionView getLikelyBlockers(final Player ai, final CardCollectionView blockers) {
         AiBlockController aiBlk = new AiBlockController(ai);
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         Combat combat = new Combat(opp);
         //Use actual attackers if available, else consider all possible attackers
         Combat currentCombat = ai.getGame().getCombat();
@@ -564,7 +564,7 @@ public class ComputerUtilCard {
         AiBlockController aiBlk = new AiBlockController(ai);
         Combat combat = new Combat(ai);
         combat.addAttacker(attacker, ai);
-        final List<Card> attackers = new ArrayList<>();
+        final List<Card> attackers = new ArrayList<Card>();
         attackers.add(attacker);
         aiBlk.assignBlockersGivenAttackers(combat, attackers);
         return ComputerUtilCombat.attackerWouldBeDestroyed(ai, attacker, combat);
@@ -788,7 +788,7 @@ public class ComputerUtilCard {
 
     public static List<String> getColorByProminence(final List<Card> list) {
         int cntColors = MagicColor.WUBRG.length;
-        final List<Pair<Byte,Integer>> map = new ArrayList<>();
+        final List<Pair<Byte,Integer>> map = new ArrayList<Pair<Byte,Integer>>();
         for(int i = 0; i < cntColors; i++) {
             map.add(MutablePair.of(MagicColor.WUBRG[i], 0));
         }
@@ -809,7 +809,7 @@ public class ComputerUtilCard {
         });
     
         // will this part be once dropped?
-        List<String> result = new ArrayList<>(cntColors);
+        List<String> result = new ArrayList<String>(cntColors);
         for(Pair<Byte, Integer> idx : map) { // fetch color names in the same order
             result.add(MagicColor.toLongString(idx.getKey()));
         }
@@ -881,10 +881,10 @@ public class ComputerUtilCard {
         }
     };
     public static List<String> chooseColor(SpellAbility sa, int min, int max, List<String> colorChoices) {
-        List<String> chosen = new ArrayList<>();
+        List<String> chosen = new ArrayList<String>();
         Player ai = sa.getActivatingPlayer();
         final Game game = ai.getGame();
-        Player opp = ai.getWeakestOpponent();
+        Player opp = ComputerUtil.getOpponentFor(ai);
         if (sa.hasParam("AILogic")) {
             final String logic = sa.getParam("AILogic");
              
@@ -926,7 +926,7 @@ public class ComputerUtilCard {
             }
             else if (logic.equals("MostProminentInComputerDeckButGreen")) {
             	List<String> prominence = ComputerUtilCard.getColorByProminence(CardLists.filterControlledBy(game.getCardsInGame(), ai));
-            	if (prominence.get(0).equals(MagicColor.Constant.GREEN)) {
+            	if (prominence.get(0) == MagicColor.Constant.GREEN) {
                     chosen.add(prominence.get(1));
             	} else {
                     chosen.add(prominence.get(0));
@@ -974,7 +974,7 @@ public class ComputerUtilCard {
     public static boolean useRemovalNow(final SpellAbility sa, final Card c, final int dmg, ZoneType destination) {
         final Player ai = sa.getActivatingPlayer();
         final AiController aic = ((PlayerControllerAi)ai.getController()).getAi();
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         final Game game = ai.getGame();
         final PhaseHandler ph = game.getPhaseHandler();
         final PhaseType phaseType = ph.getPhase();
@@ -1128,14 +1128,14 @@ public class ComputerUtilCard {
                 // assume it either benefits the player or disrupts the opponent
                 for (final StaticAbility stAb : c.getStaticAbilities()) {
                     final Map<String, String> params = stAb.getMapParams();
-                    if (params.get("Mode").equals("Continuous") && stAb.isIntrinsic()) {
+                    if (params.get("Mode").equals("Continuous") && stAb.isIntrinsic() && !stAb.isTemporary()) {
                         priority = true;
                         break;
                     }
                 }
                 if (!priority) {
                     for (final Trigger t : c.getTriggers()) {
-                        if (t.isIntrinsic()) {
+                        if (t.isIntrinsic() && !t.isTemporary()) {
                             // has a triggered ability, could be benefitting the opponent or disrupting the AI
                             priority = true;
                             break;
@@ -1213,7 +1213,6 @@ public class ComputerUtilCard {
         final Game game = ai.getGame();
         final PhaseHandler phase = game.getPhaseHandler();
         final Combat combat = phase.getCombat();
-        final boolean main1Preferred = "Main1IfAble".equals(sa.getParam("AILogic")) && phase.is(PhaseType.MAIN1, ai);
         final boolean isBerserk = "Berserk".equals(sa.getParam("AILogic"));
         final boolean loseCardAtEOT = "Sacrifice".equals(sa.getParam("AtEOT")) || "Exile".equals(sa.getParam("AtEOT"))
                 || "Destroy".equals(sa.getParam("AtEOT")) || "ExileCombat".equals(sa.getParam("AtEOT"));
@@ -1251,7 +1250,7 @@ public class ComputerUtilCard {
         // will the creature attack (only relevant for sorcery speed)?
         if (phase.getPhase().isBefore(PhaseType.COMBAT_DECLARE_ATTACKERS)
                 && phase.isPlayerTurn(ai)
-                && SpellAbilityAi.isSorcerySpeed(sa) || main1Preferred
+                && SpellAbilityAi.isSorcerySpeed(sa)
                 && power > 0
                 && ComputerUtilCard.doesCreatureAttackAI(ai, c)) {
             return true;
@@ -1270,7 +1269,7 @@ public class ComputerUtilCard {
             }
         }
 
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         Card pumped = getPumpedCreature(ai, sa, c, toughness, power, keywords);
         List<Card> oppCreatures = opp.getCreaturesInPlay();
         float chance = 0;
@@ -1294,14 +1293,14 @@ public class ComputerUtilCard {
                 // cast it during Declare Blockers, thus ruining its attacker
                 if (holdCombatTricks && sa.getApi() == ApiType.Pump
                         && sa.hasParam("NumAtt") && sa.getHostCard() != null
-                        && sa.getHostCard().isInZone(ZoneType.Hand)
+                        && sa.getHostCard().getZone() != null && sa.getHostCard().getZone().is(ZoneType.Hand)
                         && c.getNetPower() > 0 // too obvious if attacking with a 0-power creature
                         && sa.getHostCard().isInstant() // only do it for instant speed spells in hand
                         && ComputerUtilMana.hasEnoughManaSourcesToCast(sa, ai)) {
                     combatTrick = true;
 
                     final List<String> kws = sa.hasParam("KW") ? Arrays.asList(sa.getParam("KW").split(" & "))
-                            : Lists.newArrayList();
+                            : Lists.<String>newArrayList();
                     for (String kw : kws) {
                         if (!kw.equals("Trample") && !kw.equals("First Strike") && !kw.equals("Double Strike")) {
                             combatTrick = false;
@@ -1457,10 +1456,6 @@ public class ComputerUtilCard {
                     }
                     if (totalPowerUnblocked >= opp.getLife()) {
                         return true;
-                    } else if (totalPowerUnblocked > dmg && sa.getHostCard() != null && sa.getHostCard().isInPlay()) {
-                        if (sa.getPayCosts() != null && sa.getPayCosts().hasNoManaCost()) {
-                            return true; // always activate abilities which cost no mana and which can increase unblocked damage
-                        }
                     }
                 }
                 float value = 1.0f * (pumpedDmg - dmg);
@@ -1571,7 +1566,7 @@ public class ComputerUtilCard {
         Card pumped = CardFactory.copyCard(c, true);
         pumped.setSickness(c.hasSickness());
         final long timestamp = c.getGame().getNextTimestamp();
-        final List<String> kws = new ArrayList<>();
+        final List<String> kws = new ArrayList<String>();
         for (String kw : keywords) {
             if (kw.startsWith("HIDDEN")) {
                 pumped.addHiddenExtrinsicKeyword(kw);
@@ -1601,12 +1596,12 @@ public class ComputerUtilCard {
         }
 
         pumped.addNewPT(c.getCurrentPower(), c.getCurrentToughness(), timestamp);
-        pumped.setPTBoost(c.getPTBoostTable());
-        pumped.addPTBoost(power + berserkPower, toughness, timestamp, null);
+        pumped.addTempPowerBoost(c.getTempPowerBoost() + power + berserkPower);
+        pumped.addTempToughnessBoost(c.getTempToughnessBoost() + toughness);
         pumped.addChangedCardKeywords(kws, null, false, false, timestamp);
         Set<CounterType> types = c.getCounters().keySet();
         for(CounterType ct : types) {
-            pumped.addCounterFireNoEvents(ct, c.getCounters(ct), ai, true, null);
+            pumped.addCounterFireNoEvents(ct, c.getCounters(ct), ai, true);
         }
         //Copies tap-state and extra keywords (auras, equipment, etc.) 
         if (c.isTapped()) {
@@ -1648,9 +1643,7 @@ public class ComputerUtilCard {
         }
         list.add(vCard); // account for the static abilities that may be present on the card itself
         for (final Card c : list) {
-            // remove old boost that might be copied
             for (final StaticAbility stAb : c.getStaticAbilities()) {
-                vCard.removePTBoost(c.getTimestamp(), stAb.getId());
                 final Map<String, String> params = stAb.getMapParams();
                 if (!params.get("Mode").equals("Continuous")) {
                     continue;
@@ -1665,25 +1658,26 @@ public class ComputerUtilCard {
                 if (!vCard.isValid(valid, c.getController(), c, null)) {
                     continue;
                 }
-                int att = 0;
                 if (params.containsKey("AddPower")) {
                     String addP = params.get("AddPower");
+                    int att = 0;
                     if (addP.equals("AffectedX")) {
                         att = CardFactoryUtil.xCount(vCard, AbilityUtils.getSVar(stAb, addP));
                     } else {
                         att = AbilityUtils.calculateAmount(c, addP, stAb);
                     }
+                    vCard.addTempPowerBoost(att);
                 }
-                int def = 0;
                 if (params.containsKey("AddToughness")) {
                     String addT = params.get("AddToughness");
+                    int def = 0;
                     if (addT.equals("AffectedY")) {
                         def = CardFactoryUtil.xCount(vCard, AbilityUtils.getSVar(stAb, addT));
                     } else {
                         def = AbilityUtils.calculateAmount(c, addT, stAb);
                     }
+                    vCard.addTempToughnessBoost(def);
                 }
-                vCard.addPTBoost(att, def, c.getTimestamp(), stAb.getId());
             }
         }
     }
@@ -1742,7 +1736,7 @@ public class ComputerUtilCard {
         if (!c.isCreature()) {
             return false;
         }
-        if (c.hasKeyword("CARDNAME can't attack or block.") || (!c.canUntapPhaseController() && c.isTapped()) || (c.getOwner() == ai && ai.getOpponents().contains(c.getController()))) {
+        if (c.hasKeyword("CARDNAME can't attack or block.") || (c.hasKeyword("CARDNAME doesn't untap during your untap step.") && c.isTapped()) || (c.getOwner() == ai && ai.getOpponents().contains(c.getController()))) {
             return true;
         }
         return false;
@@ -1848,45 +1842,8 @@ public class ComputerUtilCard {
         String needsToPlayName = isRightSplit ? "SplitNeedsToPlay" : "NeedsToPlay";
         String needsToPlayVarName = isRightSplit ? "SplitNeedsToPlayVar" : "NeedsToPlayVar";
 
-        // TODO: if there are ever split cards with Evoke or Kicker, factor in the right split option above
-        if (sa != null) {
-            if (sa.isEvoke()) {
-                // if the spell is evoked, will use NeedsToPlayEvoked if available (otherwise falls back to NeedsToPlay)
-                if (card.hasSVar("NeedsToPlayEvoked")) {
-                    needsToPlayName = "NeedsToPlayEvoked";
-                }
-                if (card.hasSVar("NeedsToPlayEvokedVar")) {
-                    needsToPlayVarName = "NeedsToPlayEvokedVar";
-                }
-            } else if (sa.isKicked()) {
-                // if the spell is kicked, uses NeedsToPlayKicked if able and locks out the regular NeedsToPlay check
-                // for unkicked spells, uses NeedsToPlay
-                if (card.hasSVar("NeedsToPlayKicked")) {
-                    needsToPlayName = "NeedsToPlayKicked";
-                } else {
-                    needsToPlayName = "UNUSED";
-                }
-                if (card.hasSVar("NeedsToPlayKickedVar")) {
-                    needsToPlayVarName = "NeedsToPlayKickedVar";
-                } else {
-                    needsToPlayVarName = "UNUSED";
-                }
-            }
-        }
-
         if (card.hasSVar(needsToPlayName)) {
             final String needsToPlay = card.getSVar(needsToPlayName);
-
-            // A special case which checks that this creature will attack if it's the AI's turn
-            if (needsToPlay.equalsIgnoreCase("WillAttack")) {
-                if (sa != null && game.getPhaseHandler().isPlayerTurn(sa.getActivatingPlayer())) {
-                    return ComputerUtilCard.doesSpecifiedCreatureAttackAI(sa.getActivatingPlayer(), card) ?
-                        AiPlayDecision.WillPlay : AiPlayDecision.BadEtbEffects;
-                } else {
-                    return AiPlayDecision.WillPlay; // not our turn, skip this check for the possible Flash use etc.
-                }
-            }
-
             CardCollectionView list = game.getCardsIn(ZoneType.Battlefield);
 
             list = CardLists.getValidCards(list, needsToPlay.split(","), card.getController(), card, null);

forge-ai/src/main/java/forge/ai/ComputerUtilCombat.java

@@ -28,8 +28,8 @@ import com.google.common.collect.Maps;
 import forge.game.CardTraitBase;
 import forge.game.Game;
 import forge.game.GameEntity;
+import forge.game.GlobalRuleChange;
 import forge.game.ability.AbilityFactory;
-import forge.game.ability.AbilityKey;
 import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
@@ -42,7 +42,6 @@ import forge.game.phase.Untap;
 import forge.game.player.Player;
 import forge.game.replacement.ReplacementEffect;
 import forge.game.replacement.ReplacementLayer;
-import forge.game.replacement.ReplacementType;
 import forge.game.spellability.AbilityActivated;
 import forge.game.spellability.SpellAbility;
 import forge.game.staticability.StaticAbility;
@@ -85,7 +84,7 @@ public class ComputerUtilCombat {
         return Iterables.any(defenders, new Predicate<GameEntity>() {
             @Override public boolean apply(final GameEntity input) {
                 return ComputerUtilCombat.canAttackNextTurn(attacker, input);
-            }
+            };
         });
     } // canAttackNextTurn(Card)
 
@@ -120,7 +119,11 @@ public class ComputerUtilCombat {
         }
 
         // The creature won't untap next turn
-        return !atacker.isTapped() || Untap.canUntap(atacker);
+        if (atacker.isTapped() && !Untap.canUntap(atacker)) {
+            return false;
+        }
+
+        return true;
     } // canAttackNextTurn(Card, GameEntity)
 
     /**
@@ -191,9 +194,11 @@ public class ComputerUtilCombat {
             return 0;
         }
 
-        // ask ReplacementDamage directly
-        if (isCombatDamagePrevented(attacker, attacked, damage)) {
-            return 0;
+        if (!attacked.getGame().getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noPrevention)) {
+            // ask ReplacementDamage directly
+            if (isCombatDamagePrevented(attacker, attacked, damage)) {
+                return 0;
+            }
         }
 
         damage += ComputerUtilCombat.predictPowerBonusOfAttacker(attacker, null, combat, withoutAbilities);
@@ -764,10 +769,6 @@ public class ComputerUtilCombat {
      */
     public static boolean combatTriggerWillTrigger(final Card attacker, final Card defender, final Trigger trigger,
             Combat combat) {
-        return combatTriggerWillTrigger(attacker, defender, trigger, combat, null);
-    }
-    public static boolean combatTriggerWillTrigger(final Card attacker, final Card defender, final Trigger trigger,
-            Combat combat, final List<Card> plannedAttackers) {
         final Game game = attacker.getGame();
         final Map<String, String> trigParams = trigger.getMapParams();
         boolean willTrigger = false;
@@ -814,9 +815,6 @@ public class ComputerUtilCombat {
             		}
             	}
             }
-            if (trigParams.containsKey("Alone") && plannedAttackers != null && plannedAttackers.size() != 1) {
-                return false; // won't trigger since the AI is planning to attack with more than one creature
-            }
         }
 
         // defender == null means unblocked
@@ -878,19 +876,20 @@ public class ComputerUtilCombat {
         } else if (mode == TriggerType.DamageDone) {
             willTrigger = true;
             if (trigParams.containsKey("ValidSource")) {
-                if (!(CardTraitBase.matchesValid(defender, trigParams.get("ValidSource").split(","), source)
+                if (CardTraitBase.matchesValid(defender, trigParams.get("ValidSource").split(","), source)
                         && defender.getNetCombatDamage() > 0
                         && (!trigParams.containsKey("ValidTarget")
-                                || CardTraitBase.matchesValid(attacker, trigParams.get("ValidTarget").split(","), source)))) {
-                    return false;
+                                || CardTraitBase.matchesValid(attacker, trigParams.get("ValidTarget").split(","), source))) {
+                    return true;
                 }
-                if (!(CardTraitBase.matchesValid(attacker, trigParams.get("ValidSource").split(","), source)
+                if (CardTraitBase.matchesValid(attacker, trigParams.get("ValidSource").split(","), source)
                         && attacker.getNetCombatDamage() > 0
                         && (!trigParams.containsKey("ValidTarget")
-                        || CardTraitBase.matchesValid(defender, trigParams.get("ValidTarget").split(","), source)))) {
-                    return false;
+                                || CardTraitBase.matchesValid(defender, trigParams.get("ValidTarget").split(","), source))) {
+                    return true;
                 }
             }
+            return false;
         }
 
         return willTrigger;
@@ -964,7 +963,7 @@ public class ComputerUtilCombat {
             }
         }
 
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -1099,7 +1098,7 @@ public class ComputerUtilCombat {
         } 
 
         final Game game = attacker.getGame();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -1283,7 +1282,7 @@ public class ComputerUtilCombat {
         }
 
         final Game game = attacker.getGame();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -1408,7 +1407,7 @@ public class ComputerUtilCombat {
             if (att.matches("[0-9][0-9]?") || att.matches("-" + "[0-9][0-9]?")) {
                 power += Integer.parseInt(att);
             } else {
-                String bonus = source.getSVar(att);
+                String bonus = new String(source.getSVar(att));
                 if (bonus.contains("TriggerCount$NumBlockers")) {
                     bonus = TextUtil.fastReplace(bonus, "TriggerCount$NumBlockers", "Number$1");
                 } else if (bonus.contains("TriggeredPlayersDefenders$Amount")) { // for Melee
@@ -1456,7 +1455,7 @@ public class ComputerUtilCombat {
                     continue;
                 }
 
-                if (ability.hasParam("Adapt") && attacker.getCounters(CounterType.P1P1) > 0) {
+                if (ability.hasParam("Adapt") && blocker != null && blocker.getCounters(CounterType.P1P1) > 0) {
                     continue;
                 }
 
@@ -1504,7 +1503,7 @@ public class ComputerUtilCombat {
         }
 
         final Game game = attacker.getGame();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -1649,7 +1648,7 @@ public class ComputerUtilCombat {
             if (def.matches("[0-9][0-9]?") || def.matches("-" + "[0-9][0-9]?")) {
                 toughness += Integer.parseInt(def);
             } else {
-                String bonus = source.getSVar(def);
+                String bonus = new String(source.getSVar(def));
                 if (bonus.contains("TriggerCount$NumBlockers")) {
                     bonus = TextUtil.fastReplace(bonus, "TriggerCount$NumBlockers", "Number$1");
                 } else if (bonus.contains("TriggeredPlayersDefenders$Amount")) { // for Melee
@@ -1693,7 +1692,7 @@ public class ComputerUtilCombat {
                     continue;
                 }
 
-                if (ability.hasParam("Adapt") && attacker.getCounters(CounterType.P1P1) > 0) {
+                if (ability.hasParam("Adapt") && blocker.getCounters(CounterType.P1P1) > 0) {
                     continue;
                 }
 
@@ -1725,7 +1724,7 @@ public class ComputerUtilCombat {
         }
 
         // check Destroy triggers (Cockatrice and friends)
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : attacker.getGame().getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -1886,8 +1885,10 @@ public class ComputerUtilCombat {
         // consider Damage Prevention/Replacement
         defenderDamage = predictDamageTo(attacker, defenderDamage, possibleAttackerPrevention, blocker, true);
         attackerDamage = predictDamageTo(blocker, attackerDamage, possibleDefenderPrevention, attacker, true);
-        if (defenderDamage > 0 && isCombatDamagePrevented(blocker, attacker, defenderDamage)) {
-            return false;
+        if (!attacker.getGame().getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noPrevention)) {
+            if (defenderDamage > 0 && isCombatDamagePrevented(blocker, attacker, defenderDamage)) {
+                return false;
+            }
         }
 
         final int defenderLife = ComputerUtilCombat.getDamageToKill(blocker)
@@ -1940,7 +1941,7 @@ public class ComputerUtilCombat {
             return defenderDamage >= attackerLife;
 
         } // defender no double strike
-        return false;// should never arrive here
+        return false; // should never arrive here
     } // canDestroyAttacker
 
     // For AI safety measures like Regeneration
@@ -2003,7 +2004,7 @@ public class ComputerUtilCombat {
         }
 
         final Game game = blocker.getGame();
-        final FCollection<Trigger> theTriggers = new FCollection<>();
+        final FCollection<Trigger> theTriggers = new FCollection<Trigger>();
         for (Card card : game.getCardsIn(ZoneType.Battlefield)) {
             theTriggers.addAll(card.getTriggers());
         }
@@ -2120,11 +2121,13 @@ public class ComputerUtilCombat {
         attackerDamage = predictDamageTo(blocker, attackerDamage, possibleDefenderPrevention, attacker, true);
 
         // Damage prevention might come from a static effect
-        if (isCombatDamagePrevented(attacker, blocker, attackerDamage)) {
-            attackerDamage = 0;
-        }
-        if (isCombatDamagePrevented(blocker, attacker, defenderDamage)) {
-            defenderDamage = 0;
+        if (!ai.getGame().getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noPrevention)) {
+            if (isCombatDamagePrevented(attacker, blocker, attackerDamage)) {
+                attackerDamage = 0;
+            }
+            if (isCombatDamagePrevented(blocker, attacker, defenderDamage)) {
+                defenderDamage = 0;
+            }
         }
 
         if (combat != null) {
@@ -2185,7 +2188,7 @@ public class ComputerUtilCombat {
             return attackerDamage >= defenderLife;
 
         } // attacker no double strike
-        return false;// should never arrive here
+        return false; // should never arrive here
     } // canDestroyBlocker
 
 
@@ -2392,7 +2395,7 @@ public class ComputerUtilCombat {
         for (final Card ca : game.getCardsIn(ZoneType.listValueOf("Battlefield,Command"))) {
             for (final ReplacementEffect re : ca.getReplacementEffects()) {
                 Map<String, String> params = re.getMapParams();
-                if (!re.getMode().equals(ReplacementType.DamageDone) || !params.containsKey("PreventionEffect")) {
+                if (!"DamageDone".equals(params.get("Event")) || !params.containsKey("PreventionEffect")) {
                     continue;
                 }
                 // Immortal Coil prevents the damage but has a similar negative effect
@@ -2574,21 +2577,20 @@ public class ComputerUtilCombat {
     }
 
     public static boolean isCombatDamagePrevented(final Card attacker, final GameEntity target, final int damage) {
-        if (!attacker.canDamagePrevented(true)) {
-            return false;
-        }
-
         final Game game = attacker.getGame();
 
         // first try to replace the damage
-        final Map<AbilityKey, Object> repParams = AbilityKey.mapFromAffected(target);
-        repParams.put(AbilityKey.DamageSource, attacker);
-        repParams.put(AbilityKey.DamageAmount, damage);
-        repParams.put(AbilityKey.IsCombat, true);
-        repParams.put(AbilityKey.Prevention, true);
+        final Map<String, Object> repParams = Maps.newHashMap();
+        repParams.put("Event", "DamageDone");
+        repParams.put("Affected", target);
+        repParams.put("DamageSource", attacker);
+        repParams.put("DamageAmount", damage);
+        repParams.put("IsCombat", true);
+        repParams.put("Prevention", true);
+        // repParams.put("PreventMap", preventMap);
 
-        List<ReplacementEffect> list = game.getReplacementHandler().getReplacementList(
-                ReplacementType.DamageDone, repParams, ReplacementLayer.Other);
+        List<ReplacementEffect> list = game.getReplacementHandler().getReplacementList(repParams,
+                ReplacementLayer.None);
         
         return !list.isEmpty();
     }

forge-ai/src/main/java/forge/ai/ComputerUtilCost.java

@@ -110,15 +110,6 @@ public class ComputerUtilCost {
                         && !source.hasKeyword(Keyword.UNDYING)) {
                     return false;
                 }
-            } else if (part instanceof CostRemoveAnyCounter) {
-                if (sa != null) {
-                    final CostRemoveAnyCounter remCounter = (CostRemoveAnyCounter) part;
-
-                    PaymentDecision decision = new AiCostDecision(sa.getActivatingPlayer(), sa).visit(remCounter);
-                    return decision != null;
-                }
-
-                return false;
             }
         }
         return true;
@@ -424,7 +415,7 @@ public class ComputerUtilCost {
                     continue;
                 }
                 final int remainingLife = ai.getLife();
-                final int lifeCost = part.convertAmount();
+                final int lifeCost = ((CostPayLife) part).convertAmount();
                 if ((remainingLife - lifeCost) < 10) {
                     return false; //Don't pay life if it would put AI under 10 life
                 } else if ((remainingLife / lifeCost) < 4) {
@@ -468,7 +459,7 @@ public class ComputerUtilCost {
                         continue;
 
                     try {
-                        extraManaNeeded += Integer.parseInt(parts[0]);
+                        extraManaNeeded += Integer.parseInt(snem);
                     } catch (final NumberFormatException e) {
                         System.out.println("wrong SpellsNeedExtraMana SVar format on " + c);
                     }
@@ -490,7 +481,7 @@ public class ComputerUtilCost {
         }
 
         // Try not to lose Planeswalker if not threatened
-        if (sa.isPwAbility()) {
+        if (sa.getRestrictions().isPwAbility()) {
             for (final CostPart part : sa.getPayCosts().getCostParts()) {
                 if (part instanceof CostRemoveCounter) {
                     if (part.convertAmount() != null && part.convertAmount() == sa.getHostCard().getCurrentLoyalty()) {
@@ -552,7 +543,7 @@ public class ComputerUtilCost {
         final Card source = sa.getHostCard();
         final String aiLogic = sa.getParam("UnlessAI");
         boolean payForOwnOnly = "OnlyOwn".equals(aiLogic);
-        boolean payOwner = sa.hasParam("UnlessAI") && aiLogic.startsWith("Defined");
+        boolean payOwner = sa.hasParam("UnlessAI") ? aiLogic.startsWith("Defined") : false;
         boolean payNever = "Never".equals(aiLogic);
         boolean shockland = "Shockland".equals(aiLogic);
         boolean isMine = sa.getActivatingPlayer().equals(payer);
@@ -594,11 +585,6 @@ public class ComputerUtilCost {
             if (c == null || c.isUntapped()) {
                 return false;
             }
-        } else if ("RiskFactor".equals(aiLogic)) {
-            final Player activator = sa.getActivatingPlayer();
-            if (!activator.canDraw() || activator.hasKeyword("You can't draw more than one card each turn.")) {
-                return false;
-            }
         } else if ("MorePowerful".equals(aiLogic)) {
             final int sourceCreatures = sa.getActivatingPlayer().getCreaturesInPlay().size();
             final int payerCreatures = payer.getCreaturesInPlay().size();
@@ -640,7 +626,7 @@ public class ComputerUtilCost {
             && (!source.getName().equals("Tyrannize") || payer.getCardsIn(ZoneType.Hand).size() > 2)
             && (!source.getName().equals("Perplex") || payer.getCardsIn(ZoneType.Hand).size() < 2)
             && (!source.getName().equals("Breaking Point") || payer.getCreaturesInPlay().size() > 1)
-            && (!source.getName().equals("Chain of Vapor") || (payer.getWeakestOpponent().getCreaturesInPlay().size() > 0 && payer.getLandsInPlay().size() > 3));
+            && (!source.getName().equals("Chain of Vapor") || (ComputerUtil.getOpponentFor(payer).getCreaturesInPlay().size() > 0 && payer.getLandsInPlay().size() > 3));
     }
 
     public static Set<String> getAvailableManaColors(Player ai, Card additionalLand) {

forge-ai/src/main/java/forge/ai/ComputerUtilMana.java

@@ -4,7 +4,6 @@ import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import com.google.common.collect.*;
 import forge.ai.ability.AnimateAi;
-import forge.card.CardStateName;
 import forge.card.ColorSet;
 import forge.card.MagicColor;
 import forge.card.mana.ManaAtom;
@@ -13,7 +12,6 @@ import forge.card.mana.ManaCostParser;
 import forge.card.mana.ManaCostShard;
 import forge.game.Game;
 import forge.game.GameActionUtil;
-import forge.game.ability.AbilityKey;
 import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
@@ -26,7 +24,6 @@ import forge.game.phase.PhaseType;
 import forge.game.player.Player;
 import forge.game.player.PlayerPredicates;
 import forge.game.replacement.ReplacementEffect;
-import forge.game.replacement.ReplacementType;
 import forge.game.spellability.AbilityManaPart;
 import forge.game.spellability.AbilitySub;
 import forge.game.spellability.SpellAbility;
@@ -68,8 +65,6 @@ public class ComputerUtilMana {
 
     // Does not check if mana sources can be used right now, just checks for potential chance.
     public static boolean hasEnoughManaSourcesToCast(final SpellAbility sa, final Player ai) {
-        if(ai == null || sa == null)
-            return false;
         sa.setActivatingPlayer(ai);
         return payManaCost(sa, ai, true, 0, false);
     }
@@ -174,7 +169,8 @@ public class ComputerUtilMana {
                         }
 
                         return ability1.compareTo(ability2);
-                    } else {
+                    }
+                    else {
                         return preOrder;
                     }
                 }
@@ -324,17 +320,11 @@ public class ComputerUtilMana {
 
             SpellAbility saPayment = chooseManaAbility(cost, sa, ai, toPay, saList, true);
             if (saPayment == null) {
-                boolean lifeInsteadOfBlack = toPay.isBlack() && ai.hasKeyword("PayLifeInsteadOf:B");
-                if ((!toPay.isPhyrexian() && !lifeInsteadOfBlack) || !ai.canPayLife(2)) {
+                if (!toPay.isPhyrexian() || !ai.canPayLife(2)) {
                     break; // cannot pay
                 }
 
-                if (toPay.isPhyrexian()) {
-                    cost.payPhyrexian();
-                } else if (lifeInsteadOfBlack) {
-                    cost.decreaseShard(ManaCostShard.BLACK, 1);
-                }
-
+                cost.payPhyrexian();
                 continue;
             }
 
@@ -347,10 +337,6 @@ public class ComputerUtilMana {
             payMultipleMana(cost, manaProduced, ai);
 
             // remove from available lists
-            /*
-             * Refactoring this code to sourcesForShards.values().removeIf((SpellAbility srcSa) -> srcSa.getHostCard().equals(saPayment.getHostCard()));
-             * causes Android build not to compile
-             * */
             Iterator<SpellAbility> itSa = sourcesForShards.values().iterator();
             while (itSa.hasNext()) {
                 SpellAbility srcSa = itSa.next();
@@ -369,7 +355,7 @@ public class ComputerUtilMana {
 
     private static boolean payManaCost(final ManaCostBeingPaid cost, final SpellAbility sa, final Player ai, final boolean test, boolean checkPlayable) {
         adjustManaCostToAvoidNegEffects(cost, sa.getHostCard(), ai);
-        List<Mana> manaSpentToPay = test ? new ArrayList<>() : sa.getPayingMana();
+        List<Mana> manaSpentToPay = test ? new ArrayList<Mana>() : sa.getPayingMana();
         boolean purePhyrexian = cost.containsOnlyPhyrexianMana();
         int testEnergyPool = ai.getCounters(CounterType.ENERGY);
 
@@ -394,8 +380,6 @@ public class ComputerUtilMana {
         while (!cost.isPaid()) {
             toPay = getNextShardToPay(cost);
 
-            boolean lifeInsteadOfBlack = toPay.isBlack() && ai.hasKeyword("PayLifeInsteadOf:B");
-
             Collection<SpellAbility> saList = null;
             if (hasConverge && 
             		(toPay == ManaCostShard.GENERIC || toPay == ManaCostShard.X)) {
@@ -446,8 +430,7 @@ public class ComputerUtilMana {
             }
 
             if (saPayment == null) {
-                if ((!toPay.isPhyrexian() && !lifeInsteadOfBlack) || !ai.canPayLife(2)
-                        || (ai.getLife() <= 2 && !ai.cantLoseForZeroOrLessLife())) {
+                if (!toPay.isPhyrexian() || !ai.canPayLife(2) || (ai.getLife() <= 2 && !ai.cantLoseForZeroOrLessLife())) {
                     break; // cannot pay
                 }
 
@@ -462,12 +445,7 @@ public class ComputerUtilMana {
                     }
                 }
 
-                if (toPay.isPhyrexian()) {
-                    cost.payPhyrexian();
-                } else if (lifeInsteadOfBlack) {
-                    cost.decreaseShard(ManaCostShard.BLACK, 1);
-                }
-
+                cost.payPhyrexian();
                 if (!test) {
                     ai.payLife(2, sa.getHostCard());
                 }
@@ -494,10 +472,6 @@ public class ComputerUtilMana {
                 payMultipleMana(cost, manaProduced, ai);
 
                 // remove from available lists
-                /*
-                 * Refactoring this code to sourcesForShards.values().removeIf((SpellAbility srcSa) -> srcSa.getHostCard().equals(saPayment.getHostCard()));
-                 * causes Android build not to compile
-                 * */
                 Iterator<SpellAbility> itSa = sourcesForShards.values().iterator();
                 while (itSa.hasNext()) {
                     SpellAbility srcSa = itSa.next();
@@ -528,10 +502,6 @@ public class ComputerUtilMana {
                 
                 if (hasConverge) {	// hack to prevent converge re-using sources
                 	// remove from available lists
-                    /*
-                    * Refactoring this code to sourcesForShards.values().removeIf((SpellAbility srcSa) -> srcSa.getHostCard().equals(saPayment.getHostCard()));
-                    * causes Android build not to compile
-                    * */
 	                Iterator<SpellAbility> itSa = sourcesForShards.values().iterator();
 	                while (itSa.hasNext()) {
 	                    SpellAbility srcSa = itSa.next();
@@ -895,12 +865,10 @@ public class ComputerUtilMana {
 
         // For combat tricks, always obey mana reservation
         if (curPhase == PhaseType.COMBAT_DECLARE_BLOCKERS || curPhase == PhaseType.CLEANUP) {
-            if (!(ai.getGame().getPhaseHandler().isPlayerTurn(ai))) {
-                AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_ENEMY_DECLBLK);
-                AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.CHOSEN_FOG_EFFECT);
-            }
-            else
-                AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_DECLBLK);
+            AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_DECLBLK);
+        } else if (!(ai.getGame().getPhaseHandler().isPlayerTurn(ai)) && (curPhase == PhaseType.COMBAT_DECLARE_BLOCKERS || curPhase == PhaseType.CLEANUP)) {
+            AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_ENEMY_DECLBLK);
+            AiCardMemory.clearMemorySet(ai, AiCardMemory.MemorySet.CHOSEN_FOG_EFFECT);
         } else {
             if ((AiCardMemory.isRememberedCard(ai, sourceCard, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_DECLBLK)) ||
                     (AiCardMemory.isRememberedCard(ai, sourceCard, AiCardMemory.MemorySet.HELD_MANA_SOURCES_FOR_ENEMY_DECLBLK))) {
@@ -1153,11 +1121,11 @@ public class ComputerUtilMana {
                 // For Count$xPaid set PayX in the AFs then use that here
                 // Else calculate it as appropriate.
                 final String xSvar = card.getSVar("X").startsWith("Count$xPaid") ? "PayX" : "X";
-                if (!sa.getSVar(xSvar).isEmpty() || card.hasSVar(xSvar) || card.getState(CardStateName.Original).hasSVar(xSvar)) {
-                    if (xSvar.equals("PayX") && (card.hasSVar(xSvar) || card.getState(CardStateName.Original).hasSVar(xSvar))) {
+                if (!sa.getSVar(xSvar).isEmpty() || card.hasSVar(xSvar)) {
+                    if (xSvar.equals("PayX") && card.hasSVar(xSvar)) {
                          // X SVar may end up being an empty string when copying a spell with no cost (e.g. Jhoira Avatar)
-                        String xValue = card.hasSVar(xSvar) ? card.getSVar(xSvar) : card.getState(CardStateName.Original).getSVar(xSvar);
-                        manaToAdd = xValue.isEmpty() ? 0 : Integer.parseInt(xValue) * cost.getXcounter(); // X
+                        String xValue = card.getSVar(xSvar);
+                        manaToAdd = xValue.isEmpty() ? 0 : Integer.parseInt(card.getSVar(xSvar)) * cost.getXcounter(); // X
                     } else {
                         manaToAdd = AbilityUtils.calculateAmount(card, xSvar, sa) * cost.getXcounter();
                     }
@@ -1363,13 +1331,12 @@ public class ComputerUtilMana {
         final ListMultimap<Integer, SpellAbility> manaMap = ArrayListMultimap.create();
         final Game game = ai.getGame();
 
-        List<ReplacementEffect> replacementEffects = new ArrayList<>();
+        List<ReplacementEffect> replacementEffects = new ArrayList<ReplacementEffect>();
         for (final Player p : game.getPlayers()) {
             for (final Card crd : p.getAllCards()) {
                 for (final ReplacementEffect replacementEffect : crd.getReplacementEffects()) {
                     if (replacementEffect.requirementsCheck(game)
-                            && replacementEffect.getMode() == ReplacementType.ProduceMana
-                            && replacementEffect.hasParam("ManaReplacement")
+                            && replacementEffect.getMapParams().containsKey("ManaReplacement")
                             && replacementEffect.zonesCheck(game.getZoneOf(crd))) {
                         replacementEffects.add(replacementEffect);
                     }
@@ -1409,16 +1376,17 @@ public class ComputerUtilMana {
                 AbilityManaPart mp = m.getManaPart();
 
                 // setup produce mana replacement effects
-                final Map<AbilityKey, Object> repParams = AbilityKey.newMap();
-                repParams.put(AbilityKey.Mana, mp.getOrigProduced());
-                repParams.put(AbilityKey.Affected, sourceCard);
-                repParams.put(AbilityKey.Player, ai);
-                repParams.put(AbilityKey.AbilityMana, m);
+                final Map<String, Object> repParams = new HashMap<>();
+                repParams.put("Event", "ProduceMana");
+                repParams.put("Mana", mp.getOrigProduced());
+                repParams.put("Affected", sourceCard);
+                repParams.put("Player", ai);
+                repParams.put("AbilityMana", m);
 
                 for (final ReplacementEffect replacementEffect : replacementEffects) {
                     if (replacementEffect.canReplace(repParams)) {
                         Card crd = replacementEffect.getHostCard();
-                        String repType = crd.getSVar(replacementEffect.getParam("ManaReplacement"));
+                        String repType = crd.getSVar(replacementEffect.getMapParams().get("ManaReplacement"));
                         if (repType.contains("Chosen")) {
                             repType = TextUtil.fastReplace(repType, "Chosen", MagicColor.toShortString(crd.getChosenColor()));
                         }
@@ -1569,7 +1537,7 @@ public class ComputerUtilMana {
      * @return map between creatures and shards to convoke
      */
     public static Map<Card, ManaCostShard> getConvokeOrImproviseFromList(final ManaCost cost, List<Card> list, boolean improvise) {
-        final Map<Card, ManaCostShard> convoke = new HashMap<>();
+        final Map<Card, ManaCostShard> convoke = new HashMap<Card, ManaCostShard>();
         Card convoked = null;
         if (!improvise) {
             for (ManaCostShard toPay : cost) {

forge-ai/src/main/java/forge/ai/CreatureEvaluator.java

@@ -173,7 +173,7 @@ public class CreatureEvaluator implements Function<Card, Integer> {
         if (c.hasKeyword("CARDNAME can't attack or block.")) {
             value = addValue(50 + (c.getCMC() * 5), "useless"); // reset everything - useless
         }
-        if (!c.canUntapPhaseController()) {
+        if (c.hasKeyword("CARDNAME doesn't untap during your untap step.")) {
             if (c.isTapped()) {
                 value = addValue(50 + (c.getCMC() * 5), "tapped-useless"); // reset everything - useless
             } else {

forge-ai/src/main/java/forge/ai/GameState.java

@@ -25,7 +25,6 @@ import forge.game.phase.PhaseType;
 import forge.game.player.Player;
 import forge.game.spellability.AbilityManaPart;
 import forge.game.spellability.SpellAbility;
-import forge.game.ability.AbilityKey;
 import forge.game.trigger.TriggerType;
 import forge.game.zone.PlayerZone;
 import forge.game.zone.ZoneType;
@@ -42,7 +41,7 @@ import java.util.*;
 import java.util.Map.Entry;
 
 public abstract class GameState {
-    private static final Map<ZoneType, String> ZONES = new HashMap<>();
+    private static final Map<ZoneType, String> ZONES = new HashMap<ZoneType, String>();
     static {
         ZONES.put(ZoneType.Battlefield, "battlefield");
         ZONES.put(ZoneType.Hand, "hand");
@@ -67,15 +66,14 @@ public abstract class GameState {
 
     private boolean puzzleCreatorState = false;
 
-    private final Map<ZoneType, String> humanCardTexts = new EnumMap<>(ZoneType.class);
-    private final Map<ZoneType, String> aiCardTexts = new EnumMap<>(ZoneType.class);
+    private final Map<ZoneType, String> humanCardTexts = new EnumMap<ZoneType, String>(ZoneType.class);
+    private final Map<ZoneType, String> aiCardTexts = new EnumMap<ZoneType, String>(ZoneType.class);
 
     private final Map<Integer, Card> idToCard = new HashMap<>();
     private final Map<Card, Integer> cardToAttachId = new HashMap<>();
     private final Map<Card, Integer> cardToEnchantPlayerId = new HashMap<>();
     private final Map<Card, Integer> markedDamage = new HashMap<>();
     private final Map<Card, List<String>> cardToChosenClrs = new HashMap<>();
-    private final Map<Card, CardCollection> cardToChosenCards = new HashMap<>();
     private final Map<Card, String> cardToChosenType = new HashMap<>();
     private final Map<Card, List<String>> cardToRememberedId = new HashMap<>();
     private final Map<Card, List<String>> cardToImprintedId = new HashMap<>();
@@ -98,13 +96,8 @@ public abstract class GameState {
     private String precastHuman = null;
     private String precastAI = null;
 
-    private String putOnStackHuman = null;
-    private String putOnStackAI = null;
-
     private int turn = 1;
 
-    private boolean removeSummoningSickness = false;
-
     // Targeting for precast spells in a game state (mostly used by Puzzle Mode game states)
     private final int TARGET_NONE = -1; // untargeted spell (e.g. Joraga Invocation)
     private final int TARGET_HUMAN = -2;
@@ -218,10 +211,6 @@ public abstract class GameState {
                     // Remember the IDs of imprinted cards
                     cardsReferencedByID.add(i);
                 }
-                for (Card i : card.getChosenCards()) {
-                    // Remember the IDs of chosen cards
-                    cardsReferencedByID.add(i);
-                }
                 if (game.getCombat() != null && game.getCombat().isAttacking(card)) {
                     // Remember the IDs of attacked planeswalkers
                     GameEntity def = game.getCombat().getDefenderByAttacker(card);
@@ -255,7 +244,7 @@ public abstract class GameState {
             newText.append(";");
         }
         if (c.isToken()) {
-            newText.append("t:").append(new TokenInfo(c).toString());
+            newText.append("t:" + new TokenInfo(c).toString());
         } else {
             if (c.getPaperCard() == null) {
                 return;
@@ -323,17 +312,6 @@ public abstract class GameState {
                 newText.append("|NamedCard:").append(c.getNamedCard());
             }
 
-            List<String> chosenCardIds = Lists.newArrayList();
-            for (Object obj : c.getChosenCards()) {
-                if (obj instanceof Card) {
-                    int id = ((Card)obj).getId();
-                    chosenCardIds.add(String.valueOf(id));
-                }
-            }
-            if (!chosenCardIds.isEmpty()) {
-                newText.append("|ChosenCards:").append(TextUtil.join(chosenCardIds, ","));
-            }
-
             List<String> rememberedCardIds = Lists.newArrayList();
             for (Object obj : c.getRemembered()) {
                 if (obj instanceof Card) {
@@ -378,7 +356,7 @@ public abstract class GameState {
                 newText.append("|Attacking");
                 GameEntity def = c.getGame().getCombat().getDefenderByAttacker(c);
                 if (def instanceof Card) {
-                    newText.append(":").append(def.getId());
+                    newText.append(":" + def.getId());
                 }
             }
         }
@@ -454,10 +432,6 @@ public abstract class GameState {
             turn = Integer.parseInt(categoryValue);
         }
 
-        else if (categoryName.equals("removesummoningsickness")) {
-            removeSummoningSickness = categoryValue.equalsIgnoreCase("true");
-        }
-
         else if (categoryName.endsWith("life")) {
             if (isHuman)
                 humanLife = Integer.parseInt(categoryValue);
@@ -539,13 +513,6 @@ public abstract class GameState {
                 precastAI = categoryValue;
         }
 
-        else if (categoryName.endsWith("putonstack")) {
-            if (isHuman)
-                putOnStackHuman = categoryValue;
-            else
-                putOnStackAI = categoryValue;
-        }
-
         else if (categoryName.endsWith("manapool")) {
             if (isHuman)
                 humanManaPool = categoryValue;
@@ -585,7 +552,6 @@ public abstract class GameState {
         cardToExiledWithId.clear();
         markedDamage.clear();
         cardToChosenClrs.clear();
-        cardToChosenCards.clear();
         cardToChosenType.clear();
         cardToScript.clear();
         cardAttackMap.clear();
@@ -625,16 +591,11 @@ public abstract class GameState {
 
         game.getTriggerHandler().setSuppressAllTriggers(false);
 
-        // SAs added to stack cause triggers to fire, as if the relevant SAs were cast
-        handleAddSAsToStack(game);
-
         // Combat only works for 1v1 matches for now (which are the only matches dev mode supports anyway)
         // Note: triggers may fire during combat declarations ("whenever X attacks, ...", etc.)
         if (newPhase == PhaseType.COMBAT_DECLARE_ATTACKERS || newPhase == PhaseType.COMBAT_DECLARE_BLOCKERS) {
             boolean toDeclareBlockers = newPhase == PhaseType.COMBAT_DECLARE_BLOCKERS;
-            if (newPlayerTurn != null) {
-                handleCombat(game, newPlayerTurn, newPlayerTurn.getSingleOpponent(), toDeclareBlockers);
-            }
+            handleCombat(game, newPlayerTurn, newPlayerTurn.getSingleOpponent(), toDeclareBlockers);
         }
 
         game.getStack().setResolving(false);
@@ -644,25 +605,19 @@ public abstract class GameState {
             game.getPhaseHandler().devAdvanceToPhase(advPhase);
         }
 
-        if (removeSummoningSickness) {
-            for (Card card : game.getCardsInGame()) {
-                card.setSickness(false);
-            }
-        }
-
         game.getAction().checkStateEffects(true); //ensure state based effects and triggers are updated
     }
 
     private String processManaPool(ManaPool manaPool) {
-        StringBuilder mana = new StringBuilder();
+        String mana = "";
         for (final byte c : MagicColor.WUBRGC) {
             int amount = manaPool.getAmountOfColor(c);
             for (int i = 0; i < amount; i++) {
-                mana.append(MagicColor.toShortString(c)).append(" ");
+                mana += MagicColor.toShortString(c) + " ";
             }
         }
 
-        return mana.toString().trim();
+        return mana.trim();
     }
 
     private void updateManaPool(Player p, String manaDef, boolean clearPool, boolean persistent) {
@@ -720,10 +675,10 @@ public abstract class GameState {
             for (final Card c : combat.getAttackers()) {
                 attackedTarget.add(combat.getDefenderByAttacker(c));
             }
-            final Map<AbilityKey, Object> runParams = Maps.newEnumMap(AbilityKey.class);
-            runParams.put(AbilityKey.Attackers, combat.getAttackers());
-            runParams.put(AbilityKey.AttackingPlayer, combat.getAttackingPlayer());
-            runParams.put(AbilityKey.AttackedTarget, attackedTarget);
+            final Map<String, Object> runParams = Maps.newHashMap();
+            runParams.put("Attackers", combat.getAttackers());
+            runParams.put("AttackingPlayer", combat.getAttackingPlayer());
+            runParams.put("AttackedTarget", attackedTarget);
             game.getTriggerHandler().runTrigger(TriggerType.AttackersDeclared, runParams, false);
         }
 
@@ -819,9 +774,6 @@ public abstract class GameState {
     }
 
     private void executeScript(Game game, Card c, String sPtr) {
-        executeScript(game, c, sPtr, false);
-    }
-    private void executeScript(Game game, Card c, String sPtr, boolean putOnStack) {
         int tgtID = TARGET_NONE;
         if (sPtr.contains("->")) {
             String tgtDef = sPtr.substring(sPtr.lastIndexOf("->") + 2);
@@ -894,22 +846,16 @@ public abstract class GameState {
             }
         }
 
-        if (sa != null) {
-            sa.setActivatingPlayer(c.getController());
-        }
+        sa.setActivatingPlayer(c.getController());
         handleScriptedTargetingForSA(game, sa, tgtID);
 
-        if (putOnStack) {
-            game.getStack().addAndUnfreeze(sa);
-        } else {
-            sa.resolve();
+        sa.resolve();
 
-            // resolve subabilities
-            SpellAbility subSa = sa.getSubAbility();
-            while (subSa != null) {
-                subSa.resolve();
-                subSa = subSa.getSubAbility();
-            }
+        // resolve subabilities
+        SpellAbility subSa = sa.getSubAbility();
+        while (subSa != null) {
+            subSa.resolve();
+            subSa = subSa.getSubAbility();
         }
     }
 
@@ -931,28 +877,7 @@ public abstract class GameState {
         }
     }
 
-    private void handleAddSAsToStack(final Game game) {
-        Player human = game.getPlayers().get(0);
-        Player ai = game.getPlayers().get(1);
-
-        if (putOnStackHuman != null) {
-            String[] spellList = TextUtil.split(putOnStackHuman, ';');
-            for (String spell : spellList) {
-                precastSpellFromCard(spell, human, game, true);
-            }
-        }
-        if (putOnStackAI != null) {
-            String[] spellList = TextUtil.split(putOnStackAI, ';');
-            for (String spell : spellList) {
-                precastSpellFromCard(spell, ai, game, true);
-            }
-        }
-    }
-
     private void precastSpellFromCard(String spellDef, final Player activator, final Game game) {
-        precastSpellFromCard(spellDef, activator, game, false);
-    }
-    private void precastSpellFromCard(String spellDef, final Player activator, final Game game, final boolean putOnStack) {
         int tgtID = TARGET_NONE;
         String scriptID = "";
 
@@ -977,7 +902,7 @@ public abstract class GameState {
         SpellAbility sa = null;
 
         if (!scriptID.isEmpty()) {
-            executeScript(game, c, scriptID, putOnStack);
+            executeScript(game, c, scriptID);
             return;
         }
 
@@ -986,11 +911,7 @@ public abstract class GameState {
 
         handleScriptedTargetingForSA(game, sa, tgtID);
 
-        if (putOnStack) {
-            game.getStack().addAndUnfreeze(sa);
-        } else {
-            sa.resolve();
-        }
+        sa.resolve();
     }
 
     private void handleMarkedDamage() {
@@ -1026,12 +947,6 @@ public abstract class GameState {
             Card c = entry.getKey();
             c.setNamedCard(entry.getValue());
         }
-
-        // Chosen cards
-        for (Entry<Card, CardCollection> entry : cardToChosenCards.entrySet()) {
-            Card c = entry.getKey();
-            c.setChosenCards(entry.getValue());
-        }
     }
 
     private void handleCardAttachments() {
@@ -1062,11 +977,11 @@ public abstract class GameState {
     }
 
     private void applyCountersToGameEntity(GameEntity entity, String counterString) {
-        entity.setCounters(Maps.newEnumMap(CounterType.class));
+        entity.setCounters(Maps.<CounterType, Integer>newEnumMap(CounterType.class));
         String[] allCounterStrings = counterString.split(",");
         for (final String counterPair : allCounterStrings) {
             String[] pair = counterPair.split("=", 2);
-            entity.addCounter(CounterType.valueOf(pair[0]), Integer.parseInt(pair[1]), null, false, false, null);
+            entity.addCounter(CounterType.valueOf(pair[0]), Integer.parseInt(pair[1]), null, false, false);
         }
     }
 
@@ -1079,7 +994,7 @@ public abstract class GameState {
             p.getZone(zt).removeAllCards(true);
         }
 
-        Map<ZoneType, CardCollectionView> playerCards = new EnumMap<>(ZoneType.class);
+        Map<ZoneType, CardCollectionView> playerCards = new EnumMap<ZoneType, CardCollectionView>(ZoneType.class);
         for (Entry<ZoneType, String> kv : cardTexts.entrySet()) {
             String value = kv.getValue();
             playerCards.put(kv.getKey(), processCardsForZone(value.isEmpty() ? new String[0] : value.split(";"), p));
@@ -1092,7 +1007,7 @@ public abstract class GameState {
         for (Entry<ZoneType, CardCollectionView> kv : playerCards.entrySet()) {
             PlayerZone zone = p.getZone(kv.getKey());
             if (kv.getKey() == ZoneType.Battlefield) {
-                List<Card> cards = new ArrayList<>();
+                List<Card> cards = new ArrayList<Card>();
                 for (final Card c : kv.getValue()) {
                     if (c.isToken()) {
                         cards.add(c);
@@ -1108,7 +1023,7 @@ public abstract class GameState {
                     Map<CounterType, Integer> counters = c.getCounters();
                     // Note: Not clearCounters() since we want to keep the counters
                     // var as-is.
-                    c.setCounters(Maps.newEnumMap(CounterType.class));
+                    c.setCounters(Maps.<CounterType, Integer>newEnumMap(CounterType.class));
                     if (c.isAura()) {
                         // dummy "enchanting" to indicate that the card will be force-attached elsewhere
                         // (will be overridden later, so the actual value shouldn't matter)
@@ -1132,6 +1047,7 @@ public abstract class GameState {
                 zone.setCards(kv.getValue());
             }
         }
+
     }
 
     /**
@@ -1192,7 +1108,7 @@ public abstract class GameState {
                 } else if (info.startsWith("SummonSick")) {
                     c.setSickness(true);
                 } else if (info.startsWith("FaceDown")) {
-                    c.turnFaceDown(true);
+                    c.setState(CardStateName.FaceDown, true);
                     if (info.endsWith("Manifested")) {
                         c.setManifested(true);
                     }
@@ -1217,14 +1133,6 @@ public abstract class GameState {
                     // TODO: improve this for game states with more than two players
                     String tgt = info.substring(info.indexOf(':') + 1);
                     cardToEnchantPlayerId.put(c, tgt.equalsIgnoreCase("AI") ? TARGET_AI : TARGET_HUMAN);
-                } else if (info.startsWith("Owner:")) {
-                    // TODO: improve this for game states with more than two players
-                    Player human = player.getGame().getPlayers().get(0);
-                    Player ai = player.getGame().getPlayers().get(1);
-                    String owner = info.substring(info.indexOf(':') + 1);
-                    Player controller = c.getController();
-                    c.setOwner(owner.equalsIgnoreCase("AI") ? ai : human);
-                    c.setController(controller, c.getGame().getNextTimestamp());
                 } else if (info.startsWith("Ability:")) {
                     String abString = info.substring(info.indexOf(':') + 1).toLowerCase();
                     c.addSpellAbility(AbilityFactory.getAbility(abilityString.get(abString), c));
@@ -1235,13 +1143,6 @@ public abstract class GameState {
                     cardToChosenClrs.put(c, Arrays.asList(info.substring(info.indexOf(':') + 1).split(",")));
                 } else if (info.startsWith("ChosenType:")) {
                     cardToChosenType.put(c, info.substring(info.indexOf(':') + 1));
-                } else if (info.startsWith("ChosenCards:")) {
-                    CardCollection chosen = new CardCollection();
-                    String[] idlist = info.substring(info.indexOf(':') + 1).split(",");
-                    for (String id : idlist) {
-                        chosen.add(idToCard.get(Integer.parseInt(id)));
-                    }
-                    cardToChosenCards.put(c, chosen);
                 } else if (info.startsWith("NamedCard:")) {
                     cardToNamedCard.put(c, info.substring(info.indexOf(':') + 1));
                 } else if (info.startsWith("ExecuteScript:")) {

forge-ai/src/main/java/forge/ai/PlayerControllerAi.java

@@ -25,7 +25,6 @@ import forge.game.card.*;
 import forge.game.card.CardPredicates.Presets;
 import forge.game.combat.Combat;
 import forge.game.cost.*;
-import forge.game.keyword.KeywordInterface;
 import forge.game.mana.Mana;
 import forge.game.mana.ManaConversionMatrix;
 import forge.game.mana.ManaCostBeingPaid;
@@ -92,7 +91,7 @@ public class PlayerControllerAi extends PlayerController {
     }
 
     @Override
-    public List<PaperCard> sideboard(Deck deck, GameType gameType, String message) {
+    public List<PaperCard> sideboard(Deck deck, GameType gameType) {
         // AI does not know how to sideboard
         return null;
     }
@@ -163,22 +162,10 @@ public class PlayerControllerAi extends PlayerController {
 
     @Override
     public <T extends GameEntity> List<T> chooseEntitiesForEffect(
-            FCollectionView<T> optionList, int min, int max, DelayedReveal delayedReveal, SpellAbility sa, String title,
+            FCollectionView<T> optionList, DelayedReveal delayedReveal, SpellAbility sa, String title,
             Player targetedPlayer) {
-        if (delayedReveal != null) {
-            reveal(delayedReveal.getCards(), delayedReveal.getZone(), delayedReveal.getOwner(), delayedReveal.getMessagePrefix());
-        }
-	FCollection<T> remaining = new FCollection<>(optionList);
-	List<T> selecteds = new ArrayList<>();
-	T selected;
-	do {
-	    selected = chooseSingleEntityForEffect(remaining, null, sa, title, selecteds.size()>=min, targetedPlayer);
-	    if ( selected != null ) {
-		remaining.remove(selected);
-		selecteds.add(selected);
-	    }
-	} while ( (selected != null ) && (selecteds.size() < max) );
-        return selecteds;
+        // this isn't used
+        return null;
     }
 
     @Override
@@ -354,7 +341,8 @@ public class PlayerControllerAi extends PlayerController {
                 @Override
                 public boolean apply(Card card) {
                     // need a custom predicate here since Volrath's Shapeshifter may have a different name OTB
-                    return card.getOriginalState(CardStateName.Original).getName().equals("Volrath's Shapeshifter");
+                    return card.getName().equals("Volrath's Shapeshifter")
+                            || card.getStates().contains(CardStateName.OriginalText) && card.getState(CardStateName.OriginalText).getName().equals("Volrath's Shapeshifter");
                 }
             }).isEmpty()) {
                 int bestValue = 0;
@@ -492,7 +480,7 @@ public class PlayerControllerAi extends PlayerController {
             Card toDiscard = Aggregates.itemWithMin(cardsOfType, CardPredicates.Accessors.fnGetCmc);
             return new CardCollection(toDiscard);
         }
-        return getAi().getCardsToDiscard(num, null, sa);
+        return getAi().getCardsToDiscard(num, (String[])null, sa);
     }
 
 
@@ -523,66 +511,15 @@ public class PlayerControllerAi extends PlayerController {
         return brains.aiShouldRun(replacementEffect, effectSA);
     }
 
-    @Override
-    public boolean mulliganKeepHand(Player firstPlayer, int cardsToReturn)  {
-        return !ComputerUtil.wantMulligan(player, cardsToReturn);
-    }
-
     @Override
     public CardCollectionView getCardsToMulligan(Player firstPlayer)  {
-        if (!ComputerUtil.wantMulligan(player, 0)) {
+        if (!ComputerUtil.wantMulligan(player)) {
             return null;
         }
 
         return player.getCardsIn(ZoneType.Hand);
     }
 
-    @Override
-    public CardCollectionView londonMulliganReturnCards(final Player mulliganingPlayer, int cardsToReturn) {
-        // TODO This is better than it was before, but still suboptimal (but fast).
-        // Maybe score a bunch of hands based on projected hand size and return the "duds"
-        CardCollection hand = new CardCollection(player.getCardsIn(ZoneType.Hand));
-        int numLandsDesired = (mulliganingPlayer.getStartingHandSize() - cardsToReturn) / 2;
-
-        CardCollection toReturn = new CardCollection();
-        for (int i = 0; i < cardsToReturn; i++) {
-            hand.removeAll(toReturn);
-
-            CardCollection landsInHand = CardLists.filter(hand, Presets.LANDS);
-            int numLandsInHand = landsInHand.size() - CardLists.filter(toReturn, Presets.LANDS).size();
-
-            // If we're flooding with lands, get rid of the worst land we have
-            if (numLandsInHand > 0 && numLandsInHand > numLandsDesired) {
-                CardCollection producingLands = CardLists.filter(landsInHand, Presets.LANDS_PRODUCING_MANA);
-                CardCollection nonProducingLands = CardLists.filter(landsInHand, Predicates.not(Presets.LANDS_PRODUCING_MANA));
-                Card worstLand = nonProducingLands.isEmpty() ? ComputerUtilCard.getWorstLand(producingLands)
-                        : ComputerUtilCard.getWorstLand(nonProducingLands);
-                toReturn.add(worstLand);
-                continue;
-            }
-
-            // See if we'd scry something to the bottom in this situation. If we want to, probably get rid of it.
-            CardCollection scryBottom = new CardCollection();
-            for (Card c : hand) {
-                // Lands are evaluated separately above, factoring in the number of cards to be returned to the library
-                if (!c.isLand() && !toReturn.contains(c) && !willPutCardOnTop(c)) {
-                    scryBottom.add(c);
-                }
-            }
-            if (!scryBottom.isEmpty()) {
-                CardLists.sortByCmcDesc(scryBottom);
-                toReturn.add(scryBottom.getFirst()); // assume the max CMC one is worse since we're not guaranteed to have lands for it
-                continue;
-            }
-
-            // If we don't want to scry anything to the bottom, remove the worst card that we have in order to satisfy
-            // the requirement
-            toReturn.add(ComputerUtilCard.getWorstAI(hand));
-        }
-
-        return CardCollection.getView(toReturn);
-    }
-
     @Override
     public void declareAttackers(Player attacker, Combat combat) {
         brains.declareAttackers(attacker, combat);
@@ -612,7 +549,7 @@ public class PlayerControllerAi extends PlayerController {
 
     @Override
     public CardCollection chooseCardsToDiscardToMaximumHandSize(int numDiscard) {
-        return brains.getCardsToDiscard(numDiscard, null, null);
+        return brains.getCardsToDiscard(numDiscard, (String[])null, null);
     }
 
     @Override
@@ -669,7 +606,7 @@ public class PlayerControllerAi extends PlayerController {
             throw new InvalidParameterException("SA is not api-based, this is not supported yet");
         }
         return SpellApiToAi.Converter.get(api).chooseNumber(player, sa, min, max, params);
-    }
+    };
 
     @Override
     public int chooseNumber(SpellAbility sa, String title, List<Integer> options, Player relatedPlayer) {
@@ -729,15 +666,14 @@ public class PlayerControllerAi extends PlayerController {
                                 return true;
                             } else {
                                 Card rem = (Card) source.getFirstRemembered();
-                                if (!rem.isInZone(ZoneType.Battlefield)) {
+                                if (!rem.getZone().is(ZoneType.Battlefield)) {
                                     return true;
                                 }
                             }
-                            break;
                         case "BetterTgtThanRemembered":
                             if (source.getRememberedCount() > 0) {
                                 Card rem = (Card) source.getFirstRemembered();
-                                if (!rem.isInZone(ZoneType.Battlefield)) {
+                                if (!rem.getZone().is(ZoneType.Battlefield)) {
                                     return true;
                                 }
                                 for (Card c : source.getController().getCreaturesInPlay()) {
@@ -747,7 +683,6 @@ public class PlayerControllerAi extends PlayerController {
                                 }
                                 return false;
                             }
-                            break;
                         default:
                             break;
                     }
@@ -866,8 +801,8 @@ public class PlayerControllerAi extends PlayerController {
     }
 
     @Override
-    public ReplacementEffect chooseSingleReplacementEffect(String prompt, List<ReplacementEffect> possibleReplacers) {
-        return brains.chooseSingleReplacementEffect(possibleReplacers);
+    public ReplacementEffect chooseSingleReplacementEffect(String prompt, List<ReplacementEffect> possibleReplacers, Map<String, Object> runParams) {
+        return brains.chooseSingleReplacementEffect(possibleReplacers, runParams);
     }
 
     @Override
@@ -941,10 +876,6 @@ public class PlayerControllerAi extends PlayerController {
         final Card source = sa.getHostCard();
         final Ability emptyAbility = new AbilityStatic(source, cost, sa.getTargetRestrictions()) { @Override public void resolve() { } };
         emptyAbility.setActivatingPlayer(player);
-        emptyAbility.setTriggeringObjects(sa.getTriggeringObjects());
-        for (String sVar : sa.getSVars()) {
-            emptyAbility.setSVar(sVar, sa.getSVar(sVar));
-        }
         if (ComputerUtilCost.willPayUnlessCost(sa, player, cost, alreadyPaid, allPayers) && ComputerUtilCost.canPayCost(emptyAbility, player)) {
             ComputerUtil.playNoStack(player, emptyAbility, game); // AI needs something to resolve to pay that cost
             return true;
@@ -996,6 +927,11 @@ public class PlayerControllerAi extends PlayerController {
         return true;
     }
 
+    @Override
+    public Map<GameEntity, CounterType> chooseProliferation(SpellAbility sa) {
+        return brains.chooseProliferation(sa);
+    }
+
     @Override
     public boolean chooseTargetsFor(SpellAbility currentAbility) {
         return brains.doTrigger(currentAbility, true);
@@ -1072,7 +1008,7 @@ public class PlayerControllerAi extends PlayerController {
                     }
                 });
             } else {
-                return new HashMap<>();
+                return new HashMap<Card, ManaCostShard>();
             }
         }
         
@@ -1098,7 +1034,7 @@ public class PlayerControllerAi extends PlayerController {
     public String chooseCardName(SpellAbility sa, Predicate<ICardFace> cpp, String valid, String message) {
         if (sa.hasParam("AILogic")) {
             CardCollectionView aiLibrary = player.getCardsIn(ZoneType.Library);
-            CardCollectionView oppLibrary = player.getWeakestOpponent().getCardsIn(ZoneType.Library);
+            CardCollectionView oppLibrary = ComputerUtil.getOpponentFor(player).getCardsIn(ZoneType.Library);
             final Card source = sa.getHostCard();
             final String logic = sa.getParam("AILogic");
 
@@ -1154,7 +1090,7 @@ public class PlayerControllerAi extends PlayerController {
 
     @Override
     public List<Card> chooseCardsForZoneChange(
-	    ZoneType destination, List<ZoneType> origin, SpellAbility sa, CardCollection fetchList, int min, int max,
+            ZoneType destination, List<ZoneType> origin, SpellAbility sa, CardCollection fetchList,
             DelayedReveal delayedReveal, String selectPrompt, Player decider) {
         // this isn't used
         return null;
@@ -1220,18 +1156,6 @@ public class PlayerControllerAi extends PlayerController {
             // Choose the optional cost if it can be paid (to be improved later, check for playability and other conditions perhaps)
             Cost fullCost = opt.getCost().copy().add(costSoFar);
             SpellAbility fullCostSa = chosen.copyWithDefinedCost(fullCost);
-
-            // Playability check for Kicker
-            if (opt.getType() == OptionalCost.Kicker1 || opt.getType() == OptionalCost.Kicker2) {
-                SpellAbility kickedSaCopy = fullCostSa.copy();
-                kickedSaCopy.addOptionalCost(opt.getType());
-                Card copy = CardUtil.getLKICopy(chosen.getHostCard());
-                copy.addOptionalCostPaid(opt.getType());
-                if (ComputerUtilCard.checkNeedsToPlayReqs(copy, kickedSaCopy) != AiPlayDecision.WillPlay) {
-                    continue; // don't choose kickers we don't want to play
-                }
-            }
-
             if (ComputerUtilCost.canPayCost(fullCostSa, player)) {
                 chosenOptCosts.add(opt);
                 costSoFar.add(opt.getCost());
@@ -1240,44 +1164,4 @@ public class PlayerControllerAi extends PlayerController {
 
         return chosenOptCosts;
     }
-
-    @Override
-    public boolean confirmMulliganScry(Player p) {
-        // Always true?
-        return true;
-    }
-
-    @Override
-    public int chooseNumberForKeywordCost(SpellAbility sa, Cost cost, KeywordInterface keyword, String prompt,
-            int max) {
-        // TODO: improve the logic depending on the keyword and the playability of the cost-modified SA (enough targets present etc.)
-        int chosenAmount = 0;
-
-        Cost costSoFar = sa.getPayCosts() != null ? sa.getPayCosts().copy() : Cost.Zero;
-
-        for (int i = 0; i < max; i++) {
-            costSoFar.add(cost);
-            SpellAbility fullCostSa = sa.copyWithDefinedCost(costSoFar);
-            if (ComputerUtilCost.canPayCost(fullCostSa, player)) {
-                chosenAmount++;
-            } else {
-                break;
-            }
-        }
-
-        return chosenAmount;
-    }
-
-    @Override
-    public CardCollection chooseCardsForEffectMultiple(Map<String, CardCollection> validMap, SpellAbility sa, String title) {
-        CardCollection choices = new CardCollection();
-
-        for (String mapKey: validMap.keySet()) {
-            CardCollection cc = validMap.get(mapKey);
-            cc.removeAll(choices);
-            choices.add(ComputerUtilCard.getBestAI(cc)); // TODO: should the AI limit itself here with the max number of cards in hand?
-        }
-
-        return choices;
-    }
 }

forge-ai/src/main/java/forge/ai/SpecialCardAi.java

@@ -94,8 +94,12 @@ public class SpecialCardAi {
             int minCMC = isLowCMCDeck ? 3 : 4; // probably not worth wasting a lotus on a low-CMC spell (<4 CMC), except in low-CMC decks, where 3 CMC may be fine
             int paidCMC = cost.getConvertedManaCost();
             if (paidCMC < minCMC) {
-                // if it's a CMC 3 spell and we're more than one mana source short for it, might be worth it anyway
-                return paidCMC == 3 && numManaSrcs < 3;
+                if (paidCMC == 3 && numManaSrcs < 3) {
+                    // if it's a CMC 3 spell and we're more than one mana source short for it, might be worth it anyway
+                    return true;
+                } 
+
+                return false;
             }
 
             return true;
@@ -168,7 +172,7 @@ public class SpecialCardAi {
                 }
             }
 
-            return best != null ? best.getName() : "";
+            return best.getName();
         }
     }
 
@@ -214,7 +218,11 @@ public class SpecialCardAi {
                 }
             }
 
-            return ai.getLife() <= sa.getHostCard().getNetPower() && !hasUsefulBlocker;
+            if (ai.getLife() <= sa.getHostCard().getNetPower() && !hasUsefulBlocker) {
+                return true;
+            } else {
+                return false;
+            }
         }
         
         public static int getSacThreshold() {
@@ -327,7 +335,7 @@ public class SpecialCardAi {
             boolean canTrample = source.hasKeyword(Keyword.TRAMPLE);
 
             if (!isBlocking && combat.getDefenderByAttacker(source) instanceof Card) {
-                int loyalty = combat.getDefenderByAttacker(source).getCounters(CounterType.LOYALTY);
+                int loyalty = ((Card)combat.getDefenderByAttacker(source)).getCounters(CounterType.LOYALTY);
                 int totalDamageToPW = 0;
                 for (Card atk : (combat.getAttackersOf(combat.getDefenderByAttacker(source)))) {
                     if (combat.isUnblocked(atk)) {
@@ -403,7 +411,11 @@ public class SpecialCardAi {
             Pair<Integer, Integer> predictedPT = getPumpedPT(ai, source.getNetCombatDamage(), source.getNetToughness());
             int oppT = Aggregates.sum(potentialBlockers, CardPredicates.Accessors.fnGetNetToughness);
 
-            return potentialBlockers.isEmpty() || (source.hasKeyword(Keyword.TRAMPLE) && predictedPT.getLeft() - oppT >= oppLife);
+            if (potentialBlockers.isEmpty() || (source.hasKeyword(Keyword.TRAMPLE) && predictedPT.getLeft() - oppT >= oppLife)) {
+                return true;
+            }
+
+            return false;
         }
 
         public static Pair<Integer, Integer> getPumpedPT(Player ai, int power, int toughness) {
@@ -489,49 +501,6 @@ public class SpecialCardAi {
         }
     }
 
-    // Gideon Blackblade
-    public static class GideonBlackblade {
-        public static boolean consider(final Player ai, final SpellAbility sa) {
-            CardCollectionView otb = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.isTargetableBy(sa));
-            if (!otb.isEmpty()) {
-                sa.getTargets().add(ComputerUtilCard.getBestAI(otb));
-            }
-            return true;
-        }
-
-        public static SpellAbility chooseSpellAbility(final Player ai, final SpellAbility sa, final List<SpellAbility> spells) {
-            // TODO: generalize and improve this so that it acts in a more reasonable way and can potentially be used for other cards too
-            List<SpellAbility> best = Lists.newArrayList();
-            List<SpellAbility> possible = Lists.newArrayList();
-            Card tgtCard = sa.getTargetCard();
-            if (tgtCard != null) {
-                for (SpellAbility sp : spells) {
-                    if (SpellApiToAi.Converter.get(sp.getApi()).canPlayAIWithSubs(ai, sp)) {
-                        best.add(sp); // these SAs are prioritized since the AI sees a reason to play them now
-                    }
-                    final List<String> keywords = sp.hasParam("KW") ? Arrays.asList(sp.getParam("KW").split(" & "))
-                            : Lists.newArrayList();
-                    for (String kw : keywords) {
-                        if (!tgtCard.hasKeyword(kw)) {
-                            if ("Indestructible".equals(kw) && ai.getOpponents().getCreaturesInPlay().isEmpty()) {
-                                continue; // nothing to damage or kill the creature with
-                            }
-                            possible.add(sp); // these SAs at least don't duplicate a keyword on the card
-                            break;
-                        }
-                    }
-                }
-            }
-            if (!best.isEmpty()) {
-                return Aggregates.random(best);
-            } else if (!possible.isEmpty()) {
-                return Aggregates.random(possible);
-            } else {
-                return Aggregates.random(spells); // if worst comes to worst, it's a PW +1 ability, so do at least something
-            }
-        }
-    }
-
     // Guilty Conscience
     public static class GuiltyConscience {
         public static Card getBestAttachTarget(final Player ai, final SpellAbility sa, final List<Card> list) {
@@ -556,7 +525,10 @@ public class SpecialCardAi {
                     @Override
                     public boolean apply(final Card c) {
                         // Don't enchant creatures that can survive
-                        return c.canBeDestroyed() && c.getNetCombatDamage() >= c.getNetToughness() && !c.isEnchantedBy("Guilty Conscience");
+                        if (!c.canBeDestroyed() || c.getNetCombatDamage() < c.getNetToughness() || c.isEnchantedBy("Guilty Conscience")) {
+                            return false;
+                        }
+                        return true;
                     }
                 });
                 chosen = ComputerUtilCard.getBestCreatureAI(creatures);
@@ -904,6 +876,7 @@ public class SpecialCardAi {
                 // Only activate in AI's own turn (sans the exception above)
                 return false;
             } 
+
             return true;
         }
     }
@@ -925,7 +898,11 @@ public class SpecialCardAi {
 
             }
             // Maybe use it for some important high-impact spells even if there are more cards in hand?
-            return ai.getCardsIn(ZoneType.Hand).size() <= 1 || hasEnsnaringBridgeEffect;
+            if (ai.getCardsIn(ZoneType.Hand).size() > 1 && !hasEnsnaringBridgeEffect) {
+                return false;
+            }
+
+            return true;
         }
     }
 
@@ -1106,44 +1083,6 @@ public class SpecialCardAi {
         }
     }
 
-    // Sorin, Vengeful Bloodlord
-    public static class SorinVengefulBloodlord {
-        public static boolean consider(final Player ai, final SpellAbility sa) {
-            int loyalty = sa.getHostCard().getCounters(CounterType.LOYALTY);
-            CardCollection creaturesToGet = CardLists.filter(ai.getCardsIn(ZoneType.Graveyard),
-                    Predicates.and(CardPredicates.Presets.CREATURES, CardPredicates.lessCMC(loyalty - 1), new Predicate<Card>() {
-                        @Override
-                        public boolean apply(Card card) {
-                            final Card copy = CardUtil.getLKICopy(card);
-                            ComputerUtilCard.applyStaticContPT(ai.getGame(), copy, null);
-                            return copy.getNetToughness() > 0;
-                        }
-                    }));
-            CardLists.sortByCmcDesc(creaturesToGet);
-
-            if (creaturesToGet.isEmpty()) {
-                return false;
-            }
-
-            // pick the best creature that will stay on the battlefield
-            Card best = creaturesToGet.getFirst();
-            for (Card c : creaturesToGet) {
-                if (best != c && ComputerUtilCard.evaluateCreature(c, true, false) >
-                        ComputerUtilCard.evaluateCreature(best, true, false)) {
-                    best = c;
-                }
-            }
-
-            if (best != null) {
-                sa.resetTargets();
-                sa.getTargets().add(best);
-                return true;
-            }
-
-            return false;
-        }
-    }
-
     // Survival of the Fittest
     public static class SurvivalOfTheFittest {
         public static Card considerDiscardTarget(final Player ai) {
@@ -1211,7 +1150,7 @@ public class SpecialCardAi {
             // no options with smaller CMC, so discard the one that is harder to cast for the one that is
             // easier to cast right now, but only if the best card in the library is at least CMC 3
             // (probably not worth it to grab low mana cost cards this way)
-            if (maxCMC != null && bestInLib != null && maxCMC.getCMC() < bestInLib.getCMC() && bestInLib.getCMC() >= 3) {
+            if (maxCMC != null && maxCMC.getCMC() < bestInLib.getCMC() && bestInLib.getCMC() >= 3) {
                 return maxCMC;
             }
             // We appear to be playing Reanimator (or we have a reanimator card in hand already), so it's
@@ -1290,8 +1229,12 @@ public class SpecialCardAi {
                 }
             }
 
-            // use in case we're getting low on cards or if we're significantly behind our opponent in cards in hand
-            return aiHandSize < HAND_SIZE_THRESHOLD || maxOppHandSize - aiHandSize > HAND_SIZE_THRESHOLD;
+            if (aiHandSize < HAND_SIZE_THRESHOLD || maxOppHandSize - aiHandSize > HAND_SIZE_THRESHOLD) {
+                // use in case we're getting low on cards or if we're significantly behind our opponent in cards in hand
+                return true;
+            }
+
+            return false;
         }
     }
 
@@ -1318,7 +1261,9 @@ public class SpecialCardAi {
                 if (topGY == null
                         || !topGY.isCreature()
                         || ComputerUtilCard.evaluateCreature(creatHand) > ComputerUtilCard.evaluateCreature(topGY) + 80) {
-                    return numCreatsInHand > 1 || !ComputerUtilMana.canPayManaCost(creatHand.getSpellPermanent(), ai, 0);
+                    if (numCreatsInHand > 1 || !ComputerUtilMana.canPayManaCost(creatHand.getSpellPermanent(), ai, 0)) {
+                        return true;
+                    }
                 }
             }
 
@@ -1440,6 +1385,7 @@ public class SpecialCardAi {
                 // Only activate in AI's own turn (sans the exception above)
                 return false;
             } 
+
             return true;
         }
     }

forge-ai/src/main/java/forge/ai/SpellAbilityAi.java

@@ -247,7 +247,7 @@ public abstract class SpellAbilityAi {
     protected static boolean isSorcerySpeed(final SpellAbility sa) {
         return (sa.getRootAbility().isSpell() && sa.getHostCard().isSorcery())
             || (sa.getRootAbility().isAbility() && sa.getRestrictions().isSorcerySpeed())
-            || (sa.isPwAbility() && !sa.getHostCard().hasKeyword("CARDNAME's loyalty abilities can be activated at instant speed."));
+            || (sa.getRestrictions().isPwAbility() && !sa.getHostCard().hasKeyword("CARDNAME's loyalty abilities can be activated at instant speed."));
     }
 
     /**
@@ -276,7 +276,7 @@ public abstract class SpellAbilityAi {
             return true;
         }
     
-        if (sa.isPwAbility() && phase.is(PhaseType.MAIN2)) {
+        if (sa.getRestrictions().isPwAbility() && phase.is(PhaseType.MAIN2)) {
             return true;
         }
         if (sa.isSpell() && !sa.isBuyBackAbility()) {

forge-ai/src/main/java/forge/ai/SpellApiToAi.java

@@ -21,7 +21,6 @@ public enum SpellApiToAi {
             .put(ApiType.AddOrRemoveCounter, CountersPutOrRemoveAi.class)
             .put(ApiType.AddPhase, AddPhaseAi.class)
             .put(ApiType.AddTurn, AddTurnAi.class)
-            .put(ApiType.Amass, AmassAi.class)
             .put(ApiType.Animate, AnimateAi.class)
             .put(ApiType.AnimateAll, AnimateAllAi.class)
             .put(ApiType.Attach, AttachAi.class)
@@ -33,10 +32,8 @@ public enum SpellApiToAi {
             .put(ApiType.BidLife, BidLifeAi.class)
             .put(ApiType.Bond, BondAi.class)
             .put(ApiType.Branch, AlwaysPlayAi.class)
-            .put(ApiType.CantUntapTurn, CantUntapTurnAi.class)
             .put(ApiType.ChangeCombatants, CannotPlayAi.class)
             .put(ApiType.ChangeTargets, ChangeTargetsAi.class)
-            .put(ApiType.ChangeX, AlwaysPlayAi.class)
             .put(ApiType.ChangeZone, ChangeZoneAi.class)
             .put(ApiType.ChangeZoneAll, ChangeZoneAllAi.class)
             .put(ApiType.Charm, CharmAi.class)
@@ -63,7 +60,6 @@ public enum SpellApiToAi {
             .put(ApiType.Destroy, DestroyAi.class)
             .put(ApiType.DestroyAll, DestroyAllAi.class)
             .put(ApiType.Dig, DigAi.class)
-            .put(ApiType.DigMultiple, DigMultipleAi.class)
             .put(ApiType.DigUntil, DigUntilAi.class)
             .put(ApiType.Discard, DiscardAi.class)
             .put(ApiType.DrainMana, DrainManaAi.class)
@@ -71,7 +67,6 @@ public enum SpellApiToAi {
             .put(ApiType.EachDamage, DamageEachAi.class)
             .put(ApiType.Effect, EffectAi.class)
             .put(ApiType.Encode, EncodeAi.class)
-            .put(ApiType.EndCombatPhase, EndTurnAi.class)
             .put(ApiType.EndTurn, EndTurnAi.class)
             .put(ApiType.ExchangeLife, LifeExchangeAi.class)
             .put(ApiType.ExchangeLifeVariant, LifeExchangeVariantAi.class)

forge-ai/src/main/java/forge/ai/ability/ActivateAbilityAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.ability.AbilityUtils;
 import forge.game.card.Card;
@@ -21,7 +22,7 @@ public class ActivateAbilityAi extends SpellAbilityAi {
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         final Card source = sa.getHostCard();
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         boolean randomReturn = MyRandom.getRandom().nextFloat() <= Math.pow(.6667, sa.getActivationsThisTurn());
 
         List<Card> list = CardLists.getType(opp.getCardsIn(ZoneType.Battlefield), sa.getParamOrDefault("Type", "Card"));
@@ -45,7 +46,7 @@ public class ActivateAbilityAi extends SpellAbilityAi {
 
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         final Card source = sa.getHostCard();
@@ -56,9 +57,12 @@ public class ActivateAbilityAi extends SpellAbilityAi {
             } else {
                 final List<Player> defined = AbilityUtils.getDefinedPlayers(source, sa.getParam("Defined"), sa);
 
-                return defined.contains(opp);
+                if (!defined.contains(opp)) {
+                    return false;
+                }
             }
 
+            return true;
         } else {
             sa.resetTargets();
             sa.getTargets().add(opp);
@@ -83,7 +87,7 @@ public class ActivateAbilityAi extends SpellAbilityAi {
             }
         } else {
             sa.resetTargets();
-            sa.getTargets().add(ai.getWeakestOpponent());
+            sa.getTargets().add(ComputerUtil.getOpponentFor(ai));
         }
 
         return randomReturn;

forge-ai/src/main/java/forge/ai/ability/AddTurnAi.java

@@ -67,8 +67,10 @@ public class AddTurnAi extends SpellAbilityAi {
                     return false;
                 }
             }
-            // TODO: improve ai for Sage of Hours
-            return StringUtils.isNumeric(sa.getParam("NumTurns"));
+            if (!StringUtils.isNumeric(sa.getParam("NumTurns"))) {
+                // TODO: improve ai for Sage of Hours
+                return false;
+            }
             // not sure if the AI should be playing with cards that give the
             // Human more turns.
         }

forge-ai/src/main/java/forge/ai/ability/AmassAi.java

@@ -1,97 +0,0 @@
-package forge.ai.ability;
-
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Sets;
-
-import forge.ai.ComputerUtilCard;
-import forge.ai.SpellAbilityAi;
-import forge.game.Game;
-import forge.game.ability.AbilityUtils;
-import forge.game.card.*;
-import forge.game.card.token.TokenInfo;
-import forge.game.phase.PhaseHandler;
-import forge.game.player.Player;
-import forge.game.player.PlayerActionConfirmMode;
-import forge.game.spellability.SpellAbility;
-import forge.game.zone.ZoneType;
-
-public class AmassAi extends SpellAbilityAi {
-    @Override
-    protected boolean checkApiLogic(Player ai, final SpellAbility sa) {
-        CardCollection aiArmies = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.isType("Army"));
-        Card host = sa.getHostCard();
-        final Game game = ai.getGame();
-
-        if (!aiArmies.isEmpty()) {
-            return CardLists.count(aiArmies, CardPredicates.canReceiveCounters(CounterType.P1P1)) > 0;
-        } else {
-            final String tokenScript = "b_0_0_zombie_army";
-            final int amount = AbilityUtils.calculateAmount(host, sa.getParamOrDefault("Num", "1"), sa);
-
-            Card token = TokenInfo.getProtoType(tokenScript, sa);
-
-            if (token == null) {
-                return false;
-            }
-
-            token.setController(ai, 0);
-            token.setLastKnownZone(ai.getZone(ZoneType.Battlefield));
-
-            boolean result = true;
-
-            // need to check what the cards would be on the battlefield
-            // do not attach yet, that would cause Events
-            CardCollection preList = new CardCollection(token);
-            game.getAction().checkStaticAbilities(false, Sets.newHashSet(token), preList);
-
-            if (token.canReceiveCounters(CounterType.P1P1)) {
-                token.setCounters(CounterType.P1P1, amount);
-            }
-
-            if (token.isCreature() && token.getNetToughness() < 1) {
-                result = false;
-            }
-
-            //reset static abilities
-            game.getAction().checkStaticAbilities(false);
-
-            return result;
-        }
-
-    }
-
-    @Override
-    protected boolean checkPhaseRestrictions(final Player ai, final SpellAbility sa, final PhaseHandler ph) {
-        // TODO: Special check for instant speed logic? Something like Lazotep Plating.
-        /*
-        boolean isInstant = sa.getRestrictions().isInstantSpeed();
-        CardCollection aiArmies = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.isType("Army"));
-
-        if (isInstant) {
-
-        }
-        */
-
-        return true;
-    }
-
-    @Override
-    protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        return mandatory || checkApiLogic(ai, sa);
-    }
-
-    @Override
-    public boolean confirmAction(Player player, SpellAbility sa, PlayerActionConfirmMode mode, String message) {
-        return true;
-    }
-
-    @Override
-    protected Card chooseSingleCard(Player ai, SpellAbility sa, Iterable<Card> options, boolean isOptional, Player targetedPlayer) {
-        Iterable<Card> better = CardLists.filter(options, CardPredicates.canReceiveCounters(CounterType.P1P1));
-        if (Iterables.isEmpty(better)) {
-            better = options;
-        }
-        return ComputerUtilCard.getBestAI(better);
-    }
-}
-

forge-ai/src/main/java/forge/ai/ability/AnimateAi.java

@@ -10,7 +10,6 @@ import forge.game.ability.AbilityFactory;
 import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
-import forge.game.cost.CostPutCounter;
 import forge.game.phase.PhaseHandler;
 import forge.game.phase.PhaseType;
 import forge.game.player.Player;
@@ -78,13 +77,13 @@ public class AnimateAi extends SpellAbilityAi {
                 num = (num == null) ? "1" : num;
                 final int nToSac = AbilityUtils.calculateAmount(topStack.getHostCard(), num, topStack);
                 CardCollection list = CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), valid.split(","),
-                		ai.getWeakestOpponent(), topStack.getHostCard(), topStack);
+                		ComputerUtil.getOpponentFor(ai), topStack.getHostCard(), topStack);
                 list = CardLists.filter(list, CardPredicates.canBeSacrificedBy(topStack));
                 ComputerUtilCard.sortByEvaluateCreature(list);
                 if (!list.isEmpty() && list.size() == nToSac && ComputerUtilCost.canPayCost(sa, ai)) {
                     Card animatedCopy = becomeAnimated(source, sa);
                     list.add(animatedCopy);
-                    list = CardLists.getValidCards(list, valid.split(","), ai.getWeakestOpponent(), topStack.getHostCard(),
+                    list = CardLists.getValidCards(list, valid.split(","), ComputerUtil.getOpponentFor(ai), topStack.getHostCard(),
                             topStack);
                     list = CardLists.filter(list, CardPredicates.canBeSacrificedBy(topStack));
                     if (ComputerUtilCard.evaluateCreature(animatedCopy) < ComputerUtilCard.evaluateCreature(list.get(0))
@@ -110,16 +109,11 @@ public class AnimateAi extends SpellAbilityAi {
         if (ph.is(PhaseType.MAIN2) && !sa.hasParam("Permanent") && !sa.hasParam("UntilYourNextTurn")) {
             return false;
         }
-        // Don't animate if the AI won't attack anyway or use as a potential blocker
+        // Don't animate if the AI won't attack anyway
         Player opponent = ai.getWeakestOpponent();
-        // Activating as a potential blocker is only viable if it's an ability activated from a permanent, otherwise
-        // the AI will waste resources
-        boolean activateAsPotentialBlocker = sa.hasParam("UntilYourNextTurn")
-                && ai.getGame().getPhaseHandler().getNextTurn() != ai
-                && source.isPermanent();
         if (ph.isPlayerTurn(ai) && ai.getLife() < 6 && opponent.getLife() > 6
                 && Iterables.any(opponent.getCardsIn(ZoneType.Battlefield), CardPredicates.Presets.CREATURES)
-                && !sa.hasParam("AILogic") && !sa.hasParam("Permanent") && !activateAsPotentialBlocker) {
+                && !sa.hasParam("AILogic") && !sa.hasParam("Permanent")) {
             return false;
         }
         return true;
@@ -207,16 +201,21 @@ public class AnimateAi extends SpellAbilityAi {
             return bFlag; // All of the defined stuff is animated, not very useful
         } else {
             sa.resetTargets();
-            return animateTgtAI(sa);
+            if (!animateTgtAI(sa)) {
+                return false;
+            }
         }
 
+        return true;
     }
 
     @Override
     public boolean chkAIDrawback(SpellAbility sa, Player aiPlayer) {
         if (sa.usesTargeting()) {
             sa.resetTargets();
-            return animateTgtAI(sa);
+            if (!animateTgtAI(sa)) {
+                return false;
+            }
         }
 
         return true;
@@ -246,11 +245,6 @@ public class AnimateAi extends SpellAbilityAi {
     private boolean animateTgtAI(final SpellAbility sa) {
         final Player ai = sa.getActivatingPlayer();
         final PhaseHandler ph = ai.getGame().getPhaseHandler();
-        final boolean alwaysActivatePWAbility = sa.hasParam("Planeswalker")
-                && sa.getPayCosts() != null
-                && sa.getPayCosts().hasSpecificCostType(CostPutCounter.class)
-                && sa.getTargetRestrictions() != null
-                && sa.getTargetRestrictions().getMinTargets(sa.getHostCard(), sa) == 0;
         
         final CardType types = new CardType();
         if (sa.hasParam("Types")) {
@@ -270,7 +264,7 @@ public class AnimateAi extends SpellAbilityAi {
             list = ComputerUtil.filterAITgts(sa, ai, (CardCollection)list, false);
 
             // list is empty, no possible targets
-            if (list.isEmpty() && !alwaysActivatePWAbility) {
+            if (list.isEmpty()) {
                 return false;
             }
 
@@ -323,7 +317,7 @@ public class AnimateAi extends SpellAbilityAi {
             }
 
             // data is empty, no good targets
-            if (data.isEmpty() && !alwaysActivatePWAbility) {
+            if (data.isEmpty()) {
                 return false;
             }
 
@@ -372,16 +366,10 @@ public class AnimateAi extends SpellAbilityAi {
         Integer power = null;
         if (sa.hasParam("Power")) {
             power = AbilityUtils.calculateAmount(source, sa.getParam("Power"), sa);
-            if (power == 0 && "PTByCMC".equals(sa.getParam("AILogic"))) {
-                power = card.getManaCost().getCMC();
-            }
         }
         Integer toughness = null;
         if (sa.hasParam("Toughness")) {
             toughness = AbilityUtils.calculateAmount(source, sa.getParam("Toughness"), sa);
-            if (toughness == 0 && "PTByCMC".equals(sa.getParam("AILogic"))) {
-                toughness = card.getManaCost().getCMC();
-            }
         }
 
         final CardType types = new CardType();
@@ -467,19 +455,26 @@ public class AnimateAi extends SpellAbilityAi {
 
         AnimateEffectBase.doAnimate(card, sa, power, toughness, types, removeTypes, finalDesc, keywords, removeKeywords, hiddenKeywords, timestamp);
 
-
+        // back to duplicating AnimateEffect.resolve
+        // TODO will all these abilities/triggers/replacements/etc. lead to
+        // memory leaks or unintended effects?
         // remove abilities
         final List<SpellAbility> removedAbilities = Lists.newArrayList();
+        boolean clearAbilities = sa.hasParam("OverwriteAbilities");
         boolean clearSpells = sa.hasParam("OverwriteSpells");
         boolean removeAll = sa.hasParam("RemoveAllAbilities");
         boolean removeIntrinsic = sa.hasParam("RemoveIntrinsicAbilities");
 
-        if (clearSpells) {
-            removedAbilities.addAll(Lists.newArrayList(card.getSpells()));
-        }
-
-        if (sa.hasParam("RemoveThisAbility") && !removedAbilities.contains(sa)) {
-            removedAbilities.add(sa);
+        if (clearAbilities || clearSpells || removeAll) {
+            for (final SpellAbility ab : card.getSpellAbilities()) {
+                if (removeAll
+                        || (ab.isIntrinsic() && removeIntrinsic && !ab.isBasicLandAbility())
+                        || (ab.isAbility() && clearAbilities)
+                        || (ab.isSpell() && clearSpells)) {
+                    card.removeSpellAbility(ab);
+                    removedAbilities.add(ab);
+                }
+            }
         }
 
         // give abilities
@@ -487,7 +482,9 @@ public class AnimateAi extends SpellAbilityAi {
         if (abilities.size() > 0) {
             for (final String s : abilities) {
                 final String actualAbility = source.getSVar(s);
-                addedAbilities.add(AbilityFactory.getAbility(actualAbility, card));
+                final SpellAbility grantedAbility = AbilityFactory.getAbility(actualAbility, source);
+                addedAbilities.add(grantedAbility);
+                card.addSpellAbility(grantedAbility);
             }
         }
 
@@ -496,8 +493,8 @@ public class AnimateAi extends SpellAbilityAi {
         if (triggers.size() > 0) {
             for (final String s : triggers) {
                 final String actualTrigger = source.getSVar(s);
-                final Trigger parsedTrigger = TriggerHandler.parseTrigger(actualTrigger, card, false);
-                addedTriggers.add(parsedTrigger);
+                final Trigger parsedTrigger = TriggerHandler.parseTrigger(actualTrigger, source, false);
+                addedTriggers.add(card.addTrigger(parsedTrigger));
             }
         }
 
@@ -506,35 +503,31 @@ public class AnimateAi extends SpellAbilityAi {
         if (replacements.size() > 0) {
             for (final String s : replacements) {
                 final String actualReplacement = source.getSVar(s);
-                final ReplacementEffect parsedReplacement = ReplacementHandler.parseReplacement(actualReplacement, card, false);
-                addedReplacements.add(parsedReplacement);
+                final ReplacementEffect parsedReplacement = ReplacementHandler.parseReplacement(actualReplacement,
+                        source, false);
+                addedReplacements.add(card.addReplacementEffect(parsedReplacement));
             }
         }
 
-        // give static abilities (should only be used by cards to give
-        // itself a static ability)
-        final List<StaticAbility> addedStaticAbilities = Lists.newArrayList();
-        if (stAbs.size() > 0) {
-            for (final String s : stAbs) {
-                final String actualAbility = source.getSVar(s);
-                addedStaticAbilities.add(new StaticAbility(actualAbility, card));
+        // suppress triggers from the animated card
+        final List<Trigger> removedTriggers = Lists.newArrayList();
+        if (sa.hasParam("OverwriteTriggers") || removeAll || removeIntrinsic) {
+            for (final Trigger trigger : card.getTriggers()) {
+                if (removeIntrinsic && !trigger.isIntrinsic()) {
+                    continue;
+                }
+                trigger.setSuppressed(true);
+                removedTriggers.add(trigger);
             }
         }
 
-        if (removeAll || removeIntrinsic
-                || !addedAbilities.isEmpty() || !removedAbilities.isEmpty() || !addedTriggers.isEmpty()
-                || !addedReplacements.isEmpty() || !addedStaticAbilities.isEmpty()) {
-            card.addChangedCardTraits(addedAbilities, removedAbilities, addedTriggers, addedReplacements,
-                    addedStaticAbilities, removeAll, false, removeIntrinsic, timestamp);
-        }
-
         // give static abilities (should only be used by cards to give
         // itself a static ability)
         if (stAbs.size() > 0) {
             for (final String s : stAbs) {
                 final String actualAbility = source.getSVar(s);
                 final StaticAbility stAb = card.addStaticAbility(actualAbility);
-                if ("Continuous".equals(stAb.getParam("Mode"))) {
+                if ("Continuous".equals(stAb.getMapParams().get("Mode"))) {
                     for (final StaticAbilityLayer layer : stAb.getLayers()) {
                         StaticAbilityContinuous.applyContinuousAbility(stAb, new CardCollection(card), layer);
                     }
@@ -555,6 +548,30 @@ public class AnimateAi extends SpellAbilityAi {
                 card.setSVar(name, actualsVar);
             }
         }
+
+        // suppress static abilities from the animated card
+        final List<StaticAbility> removedStatics = Lists.newArrayList();
+        if (sa.hasParam("OverwriteStatics") || removeAll || removeIntrinsic) {
+            for (final StaticAbility stAb : card.getStaticAbilities()) {
+                if (removeIntrinsic && !stAb.isIntrinsic()) {
+                    continue;
+                }
+                stAb.setTemporarilySuppressed(true);
+                removedStatics.add(stAb);
+            }
+        }
+
+        // suppress static abilities from the animated card
+        final List<ReplacementEffect> removedReplacements = Lists.newArrayList();
+        if (sa.hasParam("OverwriteReplacements") || removeAll || removeIntrinsic) {
+            for (final ReplacementEffect re : card.getReplacementEffects()) {
+                if (removeIntrinsic && !re.isIntrinsic()) {
+                    continue;
+                }
+                re.setTemporarilySuppressed(true);
+                removedReplacements.add(re);
+            }
+        }
         ComputerUtilCard.applyStaticContPT(game, card, null);
     }
 

forge-ai/src/main/java/forge/ai/ability/AnimateAllAi.java

@@ -8,7 +8,7 @@ public class AnimateAllAi extends SpellAbilityAi {
 
     @Override
     protected boolean canPlayAI(Player aiPlayer, SpellAbility sa) {
-        return "Always".equals(sa.getParam("AILogic"));
+        return false;
     } // end animateAllCanPlayAI()
 
     @Override

forge-ai/src/main/java/forge/ai/ability/AttachAi.java

@@ -31,7 +31,10 @@ import forge.game.trigger.TriggerType;
 import forge.game.zone.ZoneType;
 import forge.util.MyRandom;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 
 public class AttachAi extends SpellAbilityAi {
 
@@ -120,7 +123,9 @@ public class AttachAi extends SpellAbilityAi {
                     return !(c.hasProtectionFrom(source) || c.hasKeyword(Keyword.SHROUD) || c.hasKeyword(Keyword.HEXPROOF));
                 }
             });
-            return !targets.isEmpty();
+            if (targets.isEmpty()) {
+                return false;
+            }
         }
 
         return true;
@@ -228,13 +233,8 @@ public class AttachAi extends SpellAbilityAi {
 
         boolean alternativeConsiderations = hasFloatMana || willDiscardNow || willDieNow || willRespondToStack || willCastAtEOT || willCastEarly;
 
-        if (!alternativeConsiderations) {
-            if (combat == null ||
-                    game.getPhaseHandler().getPhase().isBefore(PhaseType.COMBAT_DECLARE_BLOCKERS)) {
-                return false;
-            }
-
-            return combat.isAttacking(attachTarget) || combat.isBlocking(attachTarget);
+        if (!alternativeConsiderations && (combat == null || game.getPhaseHandler().getPhase().isBefore(PhaseType.COMBAT_DECLARE_BLOCKERS)) || (!combat.isAttacking(attachTarget) && !combat.isBlocking(attachTarget))) {
+            return false;
         }
 
         return true;
@@ -448,7 +448,7 @@ public class AttachAi extends SpellAbilityAi {
      */
     private static Player attachToPlayerAIPreferences(final Player aiPlayer, final SpellAbility sa,
             final boolean mandatory) {
-        List<Player> targetable = new ArrayList<>();
+        List<Player> targetable = new ArrayList<Player>();
         for (final Player player : aiPlayer.getGame().getPlayers()) {
             if (sa.canTarget(player)) {
                 targetable.add(player);
@@ -852,7 +852,7 @@ public class AttachAi extends SpellAbilityAi {
 
         int totToughness = 0;
         int totPower = 0;
-        final List<String> keywords = new ArrayList<>();
+        final List<String> keywords = new ArrayList<String>();
 
         for (final StaticAbility stAbility : attachSource.getStaticAbilities()) {
             final Map<String, String> stabMap = stAbility.getMapParams();
@@ -872,11 +872,15 @@ public class AttachAi extends SpellAbilityAi {
 
                 String kws = stabMap.get("AddKeyword");
                 if (kws != null) {
-                    keywords.addAll(Arrays.asList(kws.split(" & ")));
+                    for (final String kw : kws.split(" & ")) {
+                        keywords.add(kw);
+                    }
                 }
                 kws = stabMap.get("AddHiddenKeyword");
                 if (kws != null) {
-                    keywords.addAll(Arrays.asList(kws.split(" & ")));
+                    for (final String kw : kws.split(" & ")) {
+                        keywords.add(kw);
+                    }
                 }
             }
         }
@@ -899,7 +903,7 @@ public class AttachAi extends SpellAbilityAi {
 
         Card c = null;
         if (prefList == null || prefList.isEmpty()) {
-            prefList = new ArrayList<>(list);
+            prefList = new ArrayList<Card>(list);
         } else {
             c = ComputerUtilCard.getBestAI(prefList);
             if (c != null) {
@@ -953,7 +957,7 @@ public class AttachAi extends SpellAbilityAi {
     protected boolean doTriggerAINoCost(final Player ai, final SpellAbility sa, final boolean mandatory) {
         final Card card = sa.getHostCard();
         // Check if there are any valid targets
-        List<GameObject> targets = new ArrayList<>();
+        List<GameObject> targets = new ArrayList<GameObject>();
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt == null) {
             targets = AbilityUtils.getDefinedObjects(sa.getHostCard(), sa.getParam("Defined"), sa);
@@ -976,7 +980,9 @@ public class AttachAi extends SpellAbilityAi {
                     return false;
                 }
                 // don't equip creatures that don't gain anything
-                return !card.hasSVar("NonStackingAttachEffect") || !newTarget.isEquippedBy(card.getName());
+                if (card.hasSVar("NonStackingAttachEffect") && newTarget.isEquippedBy(card.getName())) {
+                    return false;
+                }
             }
         }
 
@@ -1143,10 +1149,8 @@ public class AttachAi extends SpellAbilityAi {
 
         int totToughness = 0;
         int totPower = 0;
-        final List<String> keywords = new ArrayList<>();
+        final List<String> keywords = new ArrayList<String>();
         boolean grantingAbilities = false;
-        boolean grantingExtraBlock = false;
-        boolean grantingCantUntap = false;
 
         for (final StaticAbility stAbility : attachSource.getStaticAbilities()) {
             final Map<String, String> stabMap = stAbility.getMapParams();
@@ -1165,16 +1169,18 @@ public class AttachAi extends SpellAbilityAi {
                 totPower += AbilityUtils.calculateAmount(attachSource, stabMap.get("AddPower"), stAbility);
 
                 grantingAbilities |= stabMap.containsKey("AddAbility");
-                grantingExtraBlock |= stabMap.containsKey("CanBlockAmount") || stabMap.containsKey("CanBlockAny");
-                grantingCantUntap |= stabMap.containsKey("CantUntap");
 
                 String kws = stabMap.get("AddKeyword");
                 if (kws != null) {
-                    keywords.addAll(Arrays.asList(kws.split(" & ")));
+                    for (final String kw : kws.split(" & ")) {
+                        keywords.add(kw);
+                    }
                 }
                 kws = stabMap.get("AddHiddenKeyword");
                 if (kws != null) {
-                    keywords.addAll(Arrays.asList(kws.split(" & ")));
+                    for (final String kw : kws.split(" & ")) {
+                        keywords.add(kw);
+                    }
                 }
             }
         }
@@ -1196,30 +1202,19 @@ public class AttachAi extends SpellAbilityAi {
         }
 
         //only add useful keywords unless P/T bonus is significant
-        if (totToughness + totPower < 4 && (!keywords.isEmpty() || grantingExtraBlock)) {
+        if (totToughness + totPower < 4 && !keywords.isEmpty()) {
             final int pow = totPower;
-            final boolean extraBlock = grantingExtraBlock;
-            final boolean cantUntap = grantingCantUntap;
             prefList = CardLists.filter(prefList, new Predicate<Card>() {
                 @Override
                 public boolean apply(final Card c) {
-                    if (!keywords.isEmpty()) {
-                        for (final String keyword : keywords) {
-                            if (isUsefulAttachKeyword(keyword, c, sa, pow)) {
-                                return true;
-                            }
+                    for (final String keyword : keywords) {
+                        if (isUsefulAttachKeyword(keyword, c, sa, pow)) {
+                            return true;
+                        }
+                        if (c.hasKeyword(Keyword.INFECT) && pow >= 2) {
+                            // consider +2 power a significant bonus on Infect creatures
+                            return true;
                         }
-                    }
-
-                    if (c.hasKeyword(Keyword.INFECT) && pow >= 2) {
-                        // consider +2 power a significant bonus on Infect creatures
-                        return true;
-                    }
-                    if (extraBlock && CombatUtil.canBlock(c, true) && !c.canBlockAny()) {
-                        return true;
-                    }
-                    if (cantUntap && c.isTapped()) {
-                        return true;
                     }
                     return false;
                 }
@@ -1351,7 +1346,7 @@ public class AttachAi extends SpellAbilityAi {
         CardCollection prefList = list;
 
         // Filter AI-specific targets if provided
-        prefList = ComputerUtil.filterAITgts(sa, aiPlayer, list, true);
+        prefList = ComputerUtil.filterAITgts(sa, aiPlayer, (CardCollection)list, true);
 
         Card c = attachGeneralAI(aiPlayer, sa, prefList, mandatory, attachSource, sa.getParam("AILogic"));
 
@@ -1555,52 +1550,86 @@ public class AttachAi extends SpellAbilityAi {
         }
 
         if (evasive) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && ComputerUtilCombat.canAttackNextTurn(card)
-                    && canBeBlocked;
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || !ComputerUtilCombat.canAttackNextTurn(card)
+                    || !canBeBlocked) {
+                return false;
+            }
         } else if (keyword.equals("Haste")) {
-            return card.hasSickness() && ph.isPlayerTurn(sa.getActivatingPlayer()) && !card.isTapped()
-                    && card.getNetCombatDamage() + powerBonus > 0
-                    && !card.hasKeyword("CARDNAME can attack as though it had haste.")
-                    && !ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS)
-                    && ComputerUtilCombat.canAttackNextTurn(card);
+            if (!card.hasSickness() || !ph.isPlayerTurn(sa.getActivatingPlayer()) || card.isTapped()
+                    || card.getNetCombatDamage() + powerBonus <= 0
+                    || card.hasKeyword("CARDNAME can attack as though it had haste.")
+                    || ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS)
+                    || !ComputerUtilCombat.canAttackNextTurn(card)) {
+                return false;
+            }
         } else if (keyword.endsWith("Indestructible")) {
             return true;
         } else if (keyword.endsWith("Deathtouch") || keyword.endsWith("Wither")) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && ((canBeBlocked && ComputerUtilCombat.canAttackNextTurn(card))
-                    || CombatUtil.canBlock(card, true));
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || ((!canBeBlocked || !ComputerUtilCombat.canAttackNextTurn(card))
+                            && !CombatUtil.canBlock(card, true))) {
+                return false;
+            }
         } else if (keyword.equals("Double Strike") || keyword.equals("Lifelink")) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && (ComputerUtilCombat.canAttackNextTurn(card) || CombatUtil.canBlock(card, true));
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || (!ComputerUtilCombat.canAttackNextTurn(card) && !CombatUtil.canBlock(card, true))) {
+                return false;
+            }
         } else if (keyword.equals("First Strike")) {
-            return card.getNetCombatDamage() + powerBonus > 0 && !card.hasKeyword(Keyword.DOUBLE_STRIKE)
-                    && (ComputerUtilCombat.canAttackNextTurn(card) || CombatUtil.canBlock(card, true));
+            if (card.getNetCombatDamage() + powerBonus <= 0 || card.hasKeyword(Keyword.DOUBLE_STRIKE)
+            		|| (!ComputerUtilCombat.canAttackNextTurn(card) && !CombatUtil.canBlock(card, true))) {
+                return false;
+            }
         } else if (keyword.startsWith("Flanking")) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && ComputerUtilCombat.canAttackNextTurn(card)
-                    && canBeBlocked;
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || !ComputerUtilCombat.canAttackNextTurn(card)
+                    || !canBeBlocked) {
+                return false;
+            }
         } else if (keyword.startsWith("Bushido")) {
-            return (canBeBlocked && ComputerUtilCombat.canAttackNextTurn(card))
-                    || CombatUtil.canBlock(card, true);
+            if ((!canBeBlocked || !ComputerUtilCombat.canAttackNextTurn(card))
+                    && !CombatUtil.canBlock(card, true)) {
+                return false;
+            }
         } else if (keyword.equals("Trample")) {
-            return card.getNetCombatDamage() + powerBonus > 1
-                    && canBeBlocked
-                    && ComputerUtilCombat.canAttackNextTurn(card);
+            if (card.getNetCombatDamage() + powerBonus <= 1
+                    || !canBeBlocked
+                    || !ComputerUtilCombat.canAttackNextTurn(card)) {
+                return false;
+            }
         } else if (keyword.equals("Infect")) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && ComputerUtilCombat.canAttackNextTurn(card);
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || !ComputerUtilCombat.canAttackNextTurn(card)) {
+                return false;
+            }
         } else if (keyword.equals("Vigilance")) {
-            return card.getNetCombatDamage() + powerBonus > 0
-                    && ComputerUtilCombat.canAttackNextTurn(card)
-                    && CombatUtil.canBlock(card, true);
+            if (card.getNetCombatDamage() + powerBonus <= 0
+                    || !ComputerUtilCombat.canAttackNextTurn(card)
+                    || !CombatUtil.canBlock(card, true)) {
+                return false;
+            }
         } else if (keyword.equals("Reach")) {
-            return !card.hasKeyword(Keyword.FLYING) && CombatUtil.canBlock(card, true);
+            if (card.hasKeyword(Keyword.FLYING) || !CombatUtil.canBlock(card, true)) {
+                return false;
+            }
+        } else if (keyword.endsWith("CARDNAME can block an additional creature each combat.")) {
+            if (!CombatUtil.canBlock(card, true) || card.hasKeyword("CARDNAME can block any number of creatures.")
+                    || card.hasKeyword("CARDNAME can block an additional ninety-nine creatures each combat.")) {
+                return false;
+            }
         } else if (keyword.equals("CARDNAME can attack as though it didn't have defender.")) {
-            return card.hasKeyword(Keyword.DEFENDER) && card.getNetCombatDamage() + powerBonus > 0;
+            if (!card.hasKeyword(Keyword.DEFENDER) || card.getNetCombatDamage() + powerBonus <= 0) {
+                return false;
+            }
         } else if (keyword.equals("Shroud") || keyword.equals("Hexproof")) {
-            return !card.hasKeyword(Keyword.SHROUD) && !card.hasKeyword(Keyword.HEXPROOF);
-        } else return !keyword.equals("Defender");
+            if (card.hasKeyword(Keyword.SHROUD) || card.hasKeyword(Keyword.HEXPROOF)) {
+                return false;
+            }
+        } else if (keyword.equals("Defender")) {
+        	return false;
+        }
+        return true;
     }
 
     /**
@@ -1621,11 +1650,17 @@ public class AttachAi extends SpellAbilityAi {
 
         if (keyword.endsWith("CARDNAME can't attack.") || keyword.equals("Defender")
                 || keyword.endsWith("CARDNAME can't attack or block.")) {
-            return ComputerUtilCombat.canAttackNextTurn(card) && card.getNetCombatDamage() >= 1;
+            if (!ComputerUtilCombat.canAttackNextTurn(card) || card.getNetCombatDamage() < 1) {
+                return false;
+            }
         } else if (keyword.endsWith("CARDNAME attacks each turn if able.") || keyword.endsWith("CARDNAME attacks each combat if able.")) {
-            return ComputerUtilCombat.canAttackNextTurn(card) && CombatUtil.canBlock(card, true) && !ai.getCreaturesInPlay().isEmpty();
+            if (!ComputerUtilCombat.canAttackNextTurn(card) || !CombatUtil.canBlock(card, true) || ai.getCreaturesInPlay().isEmpty()) {
+                return false;
+            }
         } else if (keyword.endsWith("CARDNAME can't block.") || keyword.contains("CantBlock")) {
-            return CombatUtil.canBlock(card, true);
+            if (!CombatUtil.canBlock(card, true)) {
+                return false;
+            }
         } else if (keyword.endsWith("CARDNAME's activated abilities can't be activated.")) {
             for (SpellAbility ability : card.getSpellAbilities()) {
                 if (ability.isAbility()) {
@@ -1634,10 +1669,18 @@ public class AttachAi extends SpellAbilityAi {
             }
             return false;
         } else if (keyword.endsWith("Prevent all combat damage that would be dealt by CARDNAME.")) {
-            return ComputerUtilCombat.canAttackNextTurn(card) && card.getNetCombatDamage() >= 1;
+            if (!ComputerUtilCombat.canAttackNextTurn(card) || card.getNetCombatDamage() < 1) {
+                return false;
+            }
         } else if (keyword.endsWith("Prevent all combat damage that would be dealt to and dealt by CARDNAME.")
                 || keyword.endsWith("Prevent all damage that would be dealt to and dealt by CARDNAME.")) {
-            return ComputerUtilCombat.canAttackNextTurn(card) && card.getNetCombatDamage() >= 2;
+            if (!ComputerUtilCombat.canAttackNextTurn(card) || card.getNetCombatDamage() < 2) {
+                return false;
+            }
+        } else if (keyword.endsWith("CARDNAME doesn't untap during your untap step.")) {
+            if (card.isUntapped()) {
+                return false;
+            }
         }
         return true;
     }
@@ -1661,8 +1704,12 @@ public class AttachAi extends SpellAbilityAi {
             return true;
         }
 
-        // useless to equip a creature that can't attack or block.
-        return !sa.getHostCard().isEquipment() || !ComputerUtilCard.isUselessCreature(ai, c);
+        if (sa.getHostCard().isEquipment() && ComputerUtilCard.isUselessCreature(ai, c)) {
+            // useless to equip a creature that can't attack or block.
+            return false;
+        }
+
+        return true;
     }
 
     public static Card doPumpOrCurseAILogic(final Player ai, final SpellAbility sa, final List<Card> list, final String type) {

forge-ai/src/main/java/forge/ai/ability/BalanceAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.card.CardCollectionView;
 import forge.game.card.CardLists;
@@ -16,7 +17,7 @@ public class BalanceAi extends SpellAbilityAi {
 
         int diff = 0;
         // TODO Add support for multiplayer logic
-        final Player opp = aiPlayer.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(aiPlayer);
         final CardCollectionView humPerms = opp.getCardsIn(ZoneType.Battlefield);
         final CardCollectionView compPerms = aiPlayer.getCardsIn(ZoneType.Battlefield);
         

forge-ai/src/main/java/forge/ai/ability/BidLifeAi.java

@@ -2,6 +2,7 @@ package forge.ai.ability;
 
 import java.util.List;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCard;
 import forge.ai.SpellAbilityAi;
 import forge.game.Game;
@@ -24,7 +25,7 @@ public class BidLifeAi extends SpellAbilityAi {
         if (tgt != null) {
             sa.resetTargets();
             if (tgt.canTgtCreature()) {
-                List<Card> list = CardLists.getTargetableCards(aiPlayer.getWeakestOpponent().getCardsIn(ZoneType.Battlefield), sa);
+                List<Card> list = CardLists.getTargetableCards(ComputerUtil.getOpponentFor(aiPlayer).getCardsIn(ZoneType.Battlefield), sa);
                 list = CardLists.getValidCards(list, tgt.getValidTgts(), source.getController(), source, sa);
                 if (list.isEmpty()) {
                     return false;

forge-ai/src/main/java/forge/ai/ability/CantUntapTurnAi.java

@@ -1,64 +0,0 @@
-package forge.ai.ability;
-
-import com.google.common.base.Predicate;
-import com.google.common.base.Predicates;
-import forge.ai.ComputerUtilCard;
-import forge.ai.SpellAbilityAi;
-import forge.game.card.Card;
-import forge.game.card.CardCollection;
-import forge.game.card.CardLists;
-import forge.game.card.CardPredicates;
-import forge.game.cost.CostPutCounter;
-import forge.game.player.Player;
-import forge.game.spellability.SpellAbility;
-import forge.game.zone.ZoneType;
-
-public class CantUntapTurnAi extends SpellAbilityAi {
-    @Override
-    protected boolean canPlayAI(Player ai, SpellAbility sa) {
-        if (sa.usesTargeting()) {
-            CardCollection oppCards = ai.getOpponents().getCardsIn(ZoneType.Battlefield);
-
-            CardCollection relevantToHold = CardLists.filter(oppCards,
-                    Predicates.and(CardPredicates.Presets.TAPPED, new Predicate<Card>() {
-                @Override
-                public boolean apply(Card card) {
-                    if (card.isCreature()) {
-                        return true;
-                    }
-                    for (final SpellAbility ab : card.getSpellAbilities()) {
-                        if (ab.isAbility() && (ab.getPayCosts() != null) && ab.getPayCosts().hasTapCost()) {
-                            return true;
-                        }
-                    }
-                    return false;
-                }
-            }));
-
-            Card bestToTap = ComputerUtilCard.getBestAI(relevantToHold);
-            Card validTarget = ComputerUtilCard.getBestAI(CardLists.filter(oppCards, CardPredicates.Presets.TAPPED));
-            if (validTarget == null) {
-                validTarget = ComputerUtilCard.getBestAI(oppCards);
-            }
-
-            if (bestToTap != null) {
-                sa.getTargets().add(bestToTap);
-                return true;
-            } else if (sa.hasParam("Planeswalker")
-                    && sa.getPayCosts() != null && sa.getPayCosts().hasSpecificCostType(CostPutCounter.class)) {
-                sa.getTargets().add(validTarget);
-                return true;
-            }
-
-            return false;
-        }
-
-
-        return true;
-    }
-
-    @Override
-    protected boolean doTriggerAINoCost(Player aiPlayer, SpellAbility sa, boolean mandatory) {
-        return mandatory || canPlayAI(aiPlayer, sa);
-    }
-}

forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java

@@ -10,7 +10,6 @@ import forge.card.MagicColor;
 import forge.game.Game;
 import forge.game.GameObject;
 import forge.game.GlobalRuleChange;
-import forge.game.ability.AbilityKey;
 import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
@@ -19,7 +18,6 @@ import forge.game.combat.Combat;
 import forge.game.cost.Cost;
 import forge.game.cost.CostDiscard;
 import forge.game.cost.CostPart;
-import forge.game.cost.CostPutCounter;
 import forge.game.phase.PhaseHandler;
 import forge.game.phase.PhaseType;
 import forge.game.player.Player;
@@ -28,7 +26,6 @@ import forge.game.spellability.AbilitySub;
 import forge.game.spellability.SpellAbility;
 import forge.game.spellability.TargetRestrictions;
 import forge.game.zone.ZoneType;
-import forge.util.MyRandom;
 import org.apache.commons.lang3.StringUtils;
 
 import java.util.*;
@@ -73,29 +70,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
                     return false;
                 }
             }
-        } else if (aiLogic.equals("NoSameCreatureType")) {
-            final List<ZoneType> origin = Lists.newArrayList();
-            if (sa.hasParam("Origin")) {
-                origin.addAll(ZoneType.listValueOf(sa.getParam("Origin")));
-            } else if (sa.hasParam("TgtZone")) {
-                origin.addAll(ZoneType.listValueOf(sa.getParam("TgtZone")));
-            }
-            CardCollection list = CardLists.getValidCards(ai.getGame().getCardsIn(origin),
-                    sa.getTargetRestrictions().getValidTgts(), ai, sa.getHostCard(), sa);
-
-            final List<String> creatureTypes = Lists.newArrayList();
-            for (Card c : list) {
-                creatureTypes.addAll(c.getType().getCreatureTypes());
-            }
-
-            for (String type : creatureTypes) {
-                int freq = Collections.frequency(creatureTypes, type);
-                if (freq > 1) {
-                    return false;
-                }
-            }
-
-            return true;
         }
 
         return super.checkAiLogic(ai, sa, aiLogic);
@@ -122,8 +96,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 return SpecialCardAi.LivingDeath.consider(aiPlayer, sa);
             } else if (aiLogic.equals("TheScarabGod")) {
                 return SpecialCardAi.TheScarabGod.consider(aiPlayer, sa);
-            } else if (aiLogic.equals("SorinVengefulBloodlord")) {
-                return SpecialCardAi.SorinVengefulBloodlord.consider(aiPlayer, sa);
             } else if (aiLogic.equals("Intuition")) {
                 // This logic only fills the multiple cards array, the decision to play is made
                 // separately in hiddenOriginCanPlayAI later.
@@ -230,7 +202,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
         final Card source = sa.getHostCard();
         final String sourceName = ComputerUtilAbility.getAbilitySourceName(sa);
         ZoneType origin = null;
-        final Player opponent = ai.getWeakestOpponent();
+        final Player opponent = ComputerUtil.getOpponentFor(ai);
         boolean activateForCost = ComputerUtil.activateForCost(sa, ai);
 
         if (sa.hasParam("Origin")) {
@@ -344,11 +316,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
         for (final Player p : pDefined) {
             CardCollectionView list = p.getCardsIn(origin);
 
-            // remove cards that won't be seen if library can't be searched
-            if (!ai.canSearchLibraryWith(sa, p)) {
-                list = CardLists.filter(list, Predicates.not(CardPredicates.inZone(ZoneType.Library)));
-            }
-
             if (type != null && p == ai) {
                 // AI only "knows" about his information
                 list = CardLists.getValidCards(list, type, source.getController(), source);
@@ -356,7 +323,9 @@ public class ChangeZoneAi extends SpellAbilityAi {
                     @Override
                     public boolean apply(final Card c) {
                         if (c.getType().isLegendary()) {
-                            return !ai.isCardInPlay(c.getName());
+                            if (ai.isCardInPlay(c.getName())) {
+                                return false;
+                            }
                         }
                         return true;
                     }
@@ -438,7 +407,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
         // if putting cards from hand to library and parent is drawing cards
         // make sure this will actually do something:
         final TargetRestrictions tgt = sa.getTargetRestrictions();
-        final Player opp = aiPlayer.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(aiPlayer);
         if (tgt != null && tgt.canTgtPlayer()) {
             boolean isCurse = sa.isCurse();
             if (isCurse && sa.canTarget(opp)) {
@@ -483,7 +452,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
             }
         }
 
-        List<ZoneType> origin = new ArrayList<>();
+        List<ZoneType> origin = new ArrayList<ZoneType>();
         if (sa.hasParam("Origin")) {
             origin = ZoneType.listValueOf(sa.getParam("Origin"));
         }
@@ -499,7 +468,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
         Iterable<Player> pDefined;
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if ((tgt != null) && tgt.canTgtPlayer()) {
-            final Player opp = ai.getWeakestOpponent();
+            final Player opp = ComputerUtil.getOpponentFor(ai);
             if (sa.isCurse()) {
                 if (sa.canTarget(opp)) {
                     sa.getTargets().add(opp);
@@ -558,7 +527,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
      */
     private static Card basicManaFixing(final Player ai, final List<Card> list) { // Search for a Basic Land
         final CardCollectionView combined = CardCollection.combine(ai.getCardsIn(ZoneType.Battlefield), ai.getCardsIn(ZoneType.Hand));
-        final List<String> basics = new ArrayList<>();
+        final List<String> basics = new ArrayList<String>();
 
         // what types can I go get?
         for (final String name : MagicColor.Constant.BASIC_LANDS) {
@@ -618,7 +587,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
      */
     private static Card chooseCreature(final Player ai, CardCollection list) {
         // Creating a new combat for testing purposes. 
-    	final Player opponent = ai.getWeakestOpponent();
+    	final Player opponent = ComputerUtil.getOpponentFor(ai);
         Combat combat = new Combat(opponent);
         for (Card att : opponent.getCreaturesInPlay()) {
             combat.addAttacker(att, ai);
@@ -702,8 +671,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 }
 
                 // only use blink or bounce effects
-                if (!(destination.equals(ZoneType.Exile)
-                        && (subApi == ApiType.DelayedTrigger || subApi == ApiType.ChangeZone || "DelayedBlink".equals(sa.getParam("AILogic"))))
+                if (!(destination.equals(ZoneType.Exile) && (subApi == ApiType.DelayedTrigger || subApi == ApiType.ChangeZone))
                         && !destination.equals(ZoneType.Hand)) {
                     return false;
                 }
@@ -737,7 +705,11 @@ public class ChangeZoneAi extends SpellAbilityAi {
         }
 
         final AbilitySub subAb = sa.getSubAbility();
-        return subAb == null || SpellApiToAi.Converter.get(subAb.getApi()).chkDrawbackWithSubs(ai, subAb);
+        if (subAb != null && !SpellApiToAi.Converter.get(subAb.getApi()).chkDrawbackWithSubs(ai, subAb)) {
+            return false;
+        }
+
+        return true;
     }
 
     /*
@@ -859,7 +831,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
         list = CardLists.getTargetableCards(list, sa);
 
         // Filter AI-specific targets if provided
-        list = ComputerUtil.filterAITgts(sa, ai, list, true);
+        list = ComputerUtil.filterAITgts(sa, ai, (CardCollection)list, true);
         if (sa.hasParam("AITgtsOnlyBetterThanSelf")) {
             list = CardLists.filter(list, new Predicate<Card>() {
                 @Override
@@ -930,7 +902,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
                                 && !currCombat.getBlockers(attacker).isEmpty()) {
                             ComputerUtilCard.sortByEvaluateCreature(blockers);
                             Combat combat = new Combat(ai);
-                            combat.addAttacker(attacker, ai.getWeakestOpponent());
+                            combat.addAttacker(attacker, ComputerUtil.getOpponentFor(ai));
                             for (Card blocker : blockers) {
                                 combat.addBlocker(attacker, blocker);
                             }
@@ -959,7 +931,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
 
             // if it's blink or bounce, try to save my about to die stuff
             final boolean blink = (destination.equals(ZoneType.Exile) && (subApi == ApiType.DelayedTrigger
-                    || "DelayedBlink".equals(sa.getParam("AILogic")) || (subApi == ApiType.ChangeZone && subAffected.equals("Remembered"))));
+                    || (subApi == ApiType.ChangeZone && subAffected.equals("Remembered"))));
             if ((destination.equals(ZoneType.Hand) || blink) && (tgt.getMinTargets(sa.getHostCard(), sa) <= 1)) {
                 // save my about to die stuff
                 Card tobounce = canBouncePermanent(ai, sa, list);
@@ -990,7 +962,11 @@ public class ChangeZoneAi extends SpellAbilityAi {
 	                    @Override
 	                    public boolean apply(final Card c) {
 	                        for (Card aura : c.getEnchantedBy()) {
-                                return aura.getController().isOpponentOf(ai);
+	                            if (aura.getController().isOpponentOf(ai)) {
+	                                return true;
+	                            } else {
+	                                return false;
+	                            }
 	                        }
 	                        if (blink) {
 	                            return c.isToken();
@@ -1103,11 +1079,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
         	}
         }
 
-        boolean doWithoutTarget = sa.hasParam("Planeswalker") && sa.getTargetRestrictions() != null
-                && sa.getTargetRestrictions().getMinTargets(source, sa) == 0 && sa.getPayCosts() != null
-                && sa.getPayCosts().hasSpecificCostType(CostPutCounter.class);
-
-        if (list.isEmpty() && !doWithoutTarget) {
+        if (list.isEmpty()) {
             return false;
         }
 
@@ -1189,11 +1161,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
                     if (!mandatory) {
                         sa.resetTargets();
                     }
-                    if (!doWithoutTarget) {
-                        return false;
-                    } else {
-                        break;
-                    }
+                    return false;
                 } else {
                     if (!sa.isTrigger() && !ComputerUtil.shouldCastLessThanMax(ai, source)) {
                         boolean aiTgtsOK = false;
@@ -1219,15 +1187,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 }
             }
 
-            // honor the Same Creature Type restriction
-            if (tgt.isWithSameCreatureType()) {
-                Card firstTarget = sa.getTargetCard();
-                if (firstTarget != null && !choice.sharesCreatureTypeWith(firstTarget)) {
-                    list.remove(choice);
-                    continue;
-                }
-            }
-
             list.remove(choice);
             sa.getTargets().add(choice);
         }
@@ -1266,7 +1225,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
         // filter out untargetables
         CardCollectionView aiPermanents = CardLists
                 .filterControlledBy(list, ai);
-        CardCollection aiPlaneswalkers = CardLists.filter(aiPermanents, Presets.PLANESWALKERS);
 
         // Felidar Guardian + Saheeli Rai combo support
         if (sa.getHostCard().getName().equals("Felidar Guardian")) {
@@ -1282,7 +1240,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
             final List<GameObject> objects = ComputerUtil
                     .predictThreatenedObjects(ai, sa);
 
-            final List<Card> threatenedTargets = new ArrayList<>();
+            final List<Card> threatenedTargets = new ArrayList<Card>();
 
             for (final Card c : aiPermanents) {
                 if (objects.contains(c)) {
@@ -1310,33 +1268,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 }
             }
         }
-        // Reload planeswalkers
-        else if (!aiPlaneswalkers.isEmpty() && (sa.getHostCard().isSorcery() || !game.getPhaseHandler().isPlayerTurn(ai))) {
-            int maxLoyaltyToConsider = 2;
-            int loyaltyDiff = 2;
-            int chance = 30;
-            if (ai.getController().isAI()) {
-                AiController aic = ((PlayerControllerAi) ai.getController()).getAi();
-                maxLoyaltyToConsider = aic.getIntProperty(AiProps.BLINK_RELOAD_PLANESWALKER_MAX_LOYALTY);
-                loyaltyDiff = aic.getIntProperty(AiProps.BLINK_RELOAD_PLANESWALKER_LOYALTY_DIFF);
-                chance = aic.getIntProperty(AiProps.BLINK_RELOAD_PLANESWALKER_CHANCE);
-            }
-            if (MyRandom.percentTrue(chance)) {
-                Collections.sort(aiPlaneswalkers, new Comparator<Card>() {
-                    @Override
-                    public int compare(final Card a, final Card b) {
-                        return a.getCounters(CounterType.LOYALTY) - b.getCounters(CounterType.LOYALTY);
-                    }
-                });
-                for (Card pw : aiPlaneswalkers) {
-                    int curLoyalty = pw.getCounters(CounterType.LOYALTY);
-                    int freshLoyalty = Integer.valueOf(pw.getCurrentState().getBaseLoyalty());
-                    if (freshLoyalty - curLoyalty >= loyaltyDiff && curLoyalty <= maxLoyaltyToConsider) {
-                        return pw;
-                    }
-                }
-            }
-        }
         return null;
     }
 
@@ -1462,12 +1393,16 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 if (!list.isEmpty()) {
                     final Card attachedTo = list.get(0);
                     // This code is for the Dragon auras
-                    return !attachedTo.getController().isOpponentOf(ai);
+                    if (attachedTo.getController().isOpponentOf(ai)) {
+                        return false;
+                    }
                 }
             }
         } else if (isPreferredTarget(ai, sa, mandatory, true)) {
             // do nothing
-        } else return isUnpreferredTarget(ai, sa, mandatory);
+        } else if (!isUnpreferredTarget(ai, sa, mandatory)) {
+            return false;
+        }
 
         return true;
     }
@@ -1486,8 +1421,6 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 }
             } else if ("WorstCard".equals(logic)) {
                 return ComputerUtilCard.getWorstAI(fetchList);
-            } else if ("BestCard".equals(logic)) {
-                return ComputerUtilCard.getBestAI(fetchList); // generally also means the most expensive one or close to it
             } else if ("Mairsil".equals(logic)) {
                 return SpecialCardAi.MairsilThePretender.considerCardFromList(fetchList);
             } else if ("SurvivalOfTheFittest".equals(logic)) {
@@ -1519,7 +1452,9 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 @Override
                 public boolean apply(final Card c) {
                     if (c.getType().isLegendary()) {
-                        return !decider.isCardInPlay(c.getName());
+                        if (decider.isCardInPlay(c.getName())) {
+                            return false;
+                        }
                     }
                     return true;
                 }
@@ -1528,7 +1463,10 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 fetchList = CardLists.filter(fetchList, new Predicate<Card>() {
                     @Override
                     public boolean apply(final Card c) {
-                        return !ComputerUtilCard.isCardRemAIDeck(c) && !ComputerUtilCard.isCardRemRandomDeck(c);
+                        if (ComputerUtilCard.isCardRemAIDeck(c) || ComputerUtilCard.isCardRemRandomDeck(c)) {
+                            return false;
+                        }
+                        return true;
                     }
                 });
             }
@@ -1700,7 +1638,9 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 @Override
                 public boolean apply(final Card c) {
                     if (c.getType().isLegendary()) {
-                        return !ai.isCardInPlay(c.getName());
+                        if (ai.isCardInPlay(c.getName())) {
+                            return false;
+                        }
                     }
                     return true;
                 }
@@ -1790,8 +1730,8 @@ public class ChangeZoneAi extends SpellAbilityAi {
     }
 
     public boolean doReturnCommanderLogic(SpellAbility sa, Player aiPlayer) {
-        Map<AbilityKey, Object> originalParams = (Map<AbilityKey, Object>)sa.getReplacingObject(AbilityKey.OriginalParams);
-        SpellAbility causeSa = (SpellAbility)originalParams.get(AbilityKey.Cause);
+        Map<String, Object> originalParams = (Map<String, Object>)sa.getReplacingObject("OriginalParams");
+        SpellAbility causeSa = (SpellAbility)originalParams.get("Cause");
         SpellAbility causeSub = null;
 
         // Squee, the Immortal: easier to recast it (the call below has to be "contains" since SA is an intrinsic effect)
@@ -1806,16 +1746,20 @@ public class ChangeZoneAi extends SpellAbilityAi {
                     && "Battlefield".equals(causeSub.getParam("Destination"))) {
                 // A blink effect implemented using ChangeZone API
                 return false;
-            } else // This is an intrinsic effect that blinks the card (e.g. Obzedat, Ghost Council), no need to
-                // return the commander to the Command zone.
-                if (subApi == ApiType.DelayedTrigger) {
+            } else if (subApi == ApiType.DelayedTrigger) {
                 SpellAbility exec = causeSub.getAdditionalAbility("Execute");
                 if (exec != null && exec.getApi() == ApiType.ChangeZone) {
-                    // A blink effect implemented using a delayed trigger
-                    return !"Exile".equals(exec.getParam("Origin")) || !"Battlefield".equals(exec.getParam("Destination"));
+                    if ("Exile".equals(exec.getParam("Origin")) && "Battlefield".equals(exec.getParam("Destination"))) {
+                        // A blink effect implemented using a delayed trigger
+                        return false;
+                    }
                 }
-            } else return causeSa.getHostCard() == null || !causeSa.getHostCard().equals(sa.getReplacingObject(AbilityKey.Card))
-                        || !causeSa.getActivatingPlayer().equals(aiPlayer);
+            } else if (causeSa.getHostCard() != null && causeSa.getHostCard().equals((Card)sa.getReplacingObject("Card"))
+                    && causeSa.getActivatingPlayer().equals(aiPlayer)) {
+                // This is an intrinsic effect that blinks the card (e.g. Obzedat, Ghost Council), no need to
+                // return the commander to the Command zone.
+                return false;
+            }
         }
         
         // Normally we want the commander back in Command zone to recast him later

forge-ai/src/main/java/forge/ai/ability/ChangeZoneAllAi.java

@@ -1,6 +1,5 @@
 package forge.ai.ability;
 
-import com.google.common.base.Predicates;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 import forge.ai.*;
@@ -58,11 +57,6 @@ public class ChangeZoneAllAi extends SpellAbilityAi {
         CardCollectionView oppType = CardLists.filterControlledBy(game.getCardsIn(origin), ai.getOpponents());
         CardCollectionView computerType = ai.getCardsIn(origin);
 
-        // remove cards that won't be seen in AI's own library if it can't be searched
-        if (!ai.canSearchLibraryWith(sa, ai)) {
-            computerType = CardLists.filter(computerType, Predicates.not(CardPredicates.inZone(ZoneType.Library)));
-        }
-
         // Ugin check need to be done before filterListByType because of ChosenX
         // Ugin AI: always try to sweep before considering +1
         if (sourceName.equals("Ugin, the Spirit Dragon")) {
@@ -335,8 +329,11 @@ public class ChangeZoneAllAi extends SpellAbilityAi {
         		return true;
 
         	// if AI creature is better than Human Creature
-            return ComputerUtilCard.evaluateCreatureList(aiCards) >= ComputerUtilCard
-                    .evaluateCreatureList(humanCards);
+        	if (ComputerUtilCard.evaluateCreatureList(aiCards) >= ComputerUtilCard
+                    .evaluateCreatureList(humanCards)) {
+                return true;
+            }
+        	return false;
         }
         return true;
     }
@@ -438,21 +435,29 @@ public class ChangeZoneAllAi extends SpellAbilityAi {
             if (sa.getParam("GainControl") != null) {
                 // Check if the cards are valuable enough
                 if ((CardLists.getNotType(humanType, "Creature").size() == 0) && (CardLists.getNotType(computerType, "Creature").size() == 0)) {
-                    return (ComputerUtilCard.evaluateCreatureList(computerType) + ComputerUtilCard
-                            .evaluateCreatureList(humanType)) >= 1;
+                    if ((ComputerUtilCard.evaluateCreatureList(computerType) + ComputerUtilCard
+                            .evaluateCreatureList(humanType)) < 1) {
+                        return false;
+                    }
                 } // otherwise evaluate both lists by CMC and pass only if human
                   // permanents are less valuable
-                else return (ComputerUtilCard.evaluatePermanentList(computerType) + ComputerUtilCard
-                        .evaluatePermanentList(humanType)) >= 1;
+                else if ((ComputerUtilCard.evaluatePermanentList(computerType) + ComputerUtilCard
+                        .evaluatePermanentList(humanType)) < 1) {
+                    return false;
+                }
             } else {
                 // don't activate if human gets more back than AI does
                 if ((CardLists.getNotType(humanType, "Creature").isEmpty()) && (CardLists.getNotType(computerType, "Creature").isEmpty())) {
-                    return ComputerUtilCard.evaluateCreatureList(computerType) > ComputerUtilCard
-                            .evaluateCreatureList(humanType);
+                    if (ComputerUtilCard.evaluateCreatureList(computerType) <= ComputerUtilCard
+                            .evaluateCreatureList(humanType)) {
+                        return false;
+                    }
                 } // otherwise evaluate both lists by CMC and pass only if human
                   // permanents are less valuable
-                else return ComputerUtilCard.evaluatePermanentList(computerType) > ComputerUtilCard
-                        .evaluatePermanentList(humanType);
+                else if (ComputerUtilCard.evaluatePermanentList(computerType) <= ComputerUtilCard
+                        .evaluatePermanentList(humanType)) {
+                    return false;
+                }
             }
         }
 

forge-ai/src/main/java/forge/ai/ability/ChooseCardAi.java

@@ -8,6 +8,7 @@ import com.google.common.base.Predicates;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilAbility;
 
 import forge.ai.ComputerUtilCard;
@@ -71,15 +72,21 @@ public class ChooseCardAi extends SpellAbilityAi {
             choices = CardLists.filterControlledBy(choices, ai.getOpponents());
         }
         if (aiLogic.equals("AtLeast1") || aiLogic.equals("OppPreferred")) {
-            return !choices.isEmpty();
+            if (choices.isEmpty()) {
+                return false;
+            }
         } else if (aiLogic.equals("AtLeast2") || aiLogic.equals("BestBlocker")) {
-            return choices.size() >= 2;
+            if (choices.size() < 2) {
+                return false;
+            }
         } else if (aiLogic.equals("Clone") || aiLogic.equals("Vesuva")) {
             final String filter = aiLogic.equals("Clone") ? "Permanent.YouDontCtrl,Permanent.nonLegendary"
                     : "Permanent.YouDontCtrl+notnamedVesuva,Permanent.nonLegendary+notnamedVesuva";
 
             choices = CardLists.getValidCards(choices, filter, host.getController(), host);
-            return !choices.isEmpty();
+            if (choices.isEmpty()) {
+                return false;
+            }
         } else if (aiLogic.equals("Never")) {
             return false;
         } else if (aiLogic.equals("NeedsPrevention")) {
@@ -97,7 +104,9 @@ public class ChooseCardAi extends SpellAbilityAi {
                     return ComputerUtilCombat.damageIfUnblocked(c, ai, combat, true) > ref;
                 }
             });
-            return !choices.isEmpty();
+            if (choices.isEmpty()) {
+                return false;
+            }
         } else if (aiLogic.equals("Ashiok")) {
             final int loyalty = host.getCounters(CounterType.LOYALTY) - 1;
             for (int i = loyalty; i >= 0; i--) {
@@ -109,12 +118,16 @@ public class ChooseCardAi extends SpellAbilityAi {
                 }
             }
 
-            return !choices.isEmpty();
+            if (choices.isEmpty()) {
+                return false;
+            }
         } else if (aiLogic.equals("RandomNonLand")) {
-            return !CardLists.getValidCards(choices, "Card.nonLand", host.getController(), host).isEmpty();
+            if (CardLists.getValidCards(choices, "Card.nonLand", host.getController(), host).isEmpty()) {
+                return false;
+            }
         } else if (aiLogic.equals("Duneblast")) {
             CardCollection aiCreatures = ai.getCreaturesInPlay();
-            CardCollection oppCreatures = ai.getWeakestOpponent().getCreaturesInPlay();
+            CardCollection oppCreatures = ComputerUtil.getOpponentFor(ai).getCreaturesInPlay();
             aiCreatures = CardLists.getNotKeyword(aiCreatures, Keyword.INDESTRUCTIBLE);
             oppCreatures = CardLists.getNotKeyword(oppCreatures, Keyword.INDESTRUCTIBLE);
 
@@ -127,8 +140,10 @@ public class ChooseCardAi extends SpellAbilityAi {
             aiCreatures.remove(chosen);
             int minGain = 200;
 
-            return (ComputerUtilCard.evaluateCreatureList(aiCreatures) + minGain) < ComputerUtilCard
-                    .evaluateCreatureList(oppCreatures);
+            if ((ComputerUtilCard.evaluateCreatureList(aiCreatures) + minGain) >= ComputerUtilCard
+                    .evaluateCreatureList(oppCreatures)) {
+                return false;
+            }
         }
         return true;
     }

forge-ai/src/main/java/forge/ai/ability/ChooseCardNameAi.java

@@ -41,7 +41,7 @@ public class ChooseCardNameAi extends SpellAbilityAi {
             if (tgt != null) {
                 sa.resetTargets();
                 if (tgt.canOnlyTgtOpponent()) {
-                    sa.getTargets().add(ai.getWeakestOpponent());
+                    sa.getTargets().add(ComputerUtil.getOpponentFor(ai));
                 } else {
                     sa.getTargets().add(ai);
                 }

forge-ai/src/main/java/forge/ai/ability/ChooseColorAi.java

@@ -52,13 +52,16 @@ public class ChooseColorAi extends SpellAbilityAi {
         }
 
         if ("Addle".equals(sourceName)) {
-            return !ph.getPhase().isBefore(PhaseType.COMBAT_DECLARE_ATTACKERS) && !ai.getWeakestOpponent().getCardsIn(ZoneType.Hand).isEmpty();
+            if (ph.getPhase().isBefore(PhaseType.COMBAT_DECLARE_ATTACKERS) || ComputerUtil.getOpponentFor(ai).getCardsIn(ZoneType.Hand).isEmpty()) {
+                return false;
+            }
+            return true;
         }
 
         if (logic.equals("MostExcessOpponentControls")) {
             for (byte color : MagicColor.WUBRG) {
                 CardCollectionView ailist = ai.getCardsIn(ZoneType.Battlefield);
-                CardCollectionView opplist = ai.getWeakestOpponent().getCardsIn(ZoneType.Battlefield);
+                CardCollectionView opplist = ComputerUtil.getOpponentFor(ai).getCardsIn(ZoneType.Battlefield);
 
                 ailist = CardLists.filter(ailist, CardPredicates.isColor(color));
                 opplist = CardLists.filter(opplist, CardPredicates.isColor(color));

forge-ai/src/main/java/forge/ai/ability/ChooseDirectionAi.java

@@ -33,7 +33,9 @@ public class ChooseDirectionAi extends SpellAbilityAi {
                 CardCollection right = CardLists.filterControlledBy(all, game.getNextPlayerAfter(ai, Direction.Right));
                 int leftValue = Aggregates.sum(left, CardPredicates.Accessors.fnGetCmc);
                 int rightValue = Aggregates.sum(right, CardPredicates.Accessors.fnGetCmc);
-                return aiValue <= leftValue && aiValue <= rightValue;
+                if (aiValue > leftValue || aiValue > rightValue) {
+                    return false;
+                }
             }
         }
         return true;

forge-ai/src/main/java/forge/ai/ability/ChooseGenericEffectAi.java

@@ -1,14 +1,28 @@
 package forge.ai.ability;
 
+import java.util.List;
+import java.util.Map;
+
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
-import forge.ai.*;
+
+import forge.ai.ComputerUtilAbility;
+
+import forge.ai.ComputerUtilCard;
+import forge.ai.ComputerUtilCost;
+import forge.ai.SpellAbilityAi;
+import forge.ai.SpellApiToAi;
 import forge.card.MagicColor;
 import forge.game.Game;
-import forge.game.card.*;
+import forge.game.card.Card;
+import forge.game.card.CardCollection;
+import forge.game.card.CardCollectionView;
+import forge.game.card.CardLists;
 import forge.game.card.CardPredicates.Presets;
+import forge.game.card.CardUtil;
+import forge.game.card.CounterType;
 import forge.game.combat.Combat;
 import forge.game.combat.CombatUtil;
 import forge.game.cost.Cost;
@@ -21,9 +35,6 @@ import forge.game.zone.ZoneType;
 import forge.util.Aggregates;
 import forge.util.collect.FCollection;
 
-import java.util.List;
-import java.util.Map;
-
 
 public class ChooseGenericEffectAi extends SpellAbilityAi {
 
@@ -39,8 +50,6 @@ public class ChooseGenericEffectAi extends SpellAbilityAi {
                     return true;
                 }
             }
-        } else if ("GideonBlackblade".equals(aiLogic)) {
-            return SpecialCardAi.GideonBlackblade.consider(ai, sa);
         }
         return false;
     }
@@ -86,8 +95,6 @@ public class ChooseGenericEffectAi extends SpellAbilityAi {
             return spells.get(0);
         } else if ("Random".equals(logic)) {
             return Aggregates.random(spells);
-        } else if ("GideonBlackblade".equals(logic)) {
-            return SpecialCardAi.GideonBlackblade.chooseSpellAbility(player, sa, spells);
         } else if ("Phasing".equals(logic)) { // Teferi's Realm : keep aggressive 
             List<SpellAbility> filtered = Lists.newArrayList(Iterables.filter(spells, new Predicate<SpellAbility>() {
                 @Override
@@ -103,7 +110,7 @@ public class ChooseGenericEffectAi extends SpellAbilityAi {
                 Cost unless = new Cost(unlessCost, false);
                 SpellAbility paycost = new SpellAbility.EmptySa(sa.getHostCard(), player);
                 paycost.setPayCosts(unless);
-                if (ComputerUtilCost.willPayUnlessCost(sp, player, unless, false, new FCollection<>(player))
+                if (ComputerUtilCost.willPayUnlessCost(sp, player, unless, false, new FCollection<Player>(player))
                         && ComputerUtilCost.canPayCost(paycost, player)) {
                     return sp;
                 }
@@ -385,7 +392,9 @@ public class ChooseGenericEffectAi extends SpellAbilityAi {
         final Player opp = player.getWeakestOpponent();
         if (opp != null) {
             // TODO add predict Combat Damage?
-            return opp.getLife() < copy.getNetPower();
+            if (opp.getLife() < copy.getNetPower()) {
+                return true;
+            }
         }
 
         // haste might not be good enough?

forge-ai/src/main/java/forge/ai/ability/ChooseNumberAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
@@ -16,7 +17,7 @@ public class ChooseNumberAi extends SpellAbilityAi {
         TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt != null) {
             sa.resetTargets();
-            Player opp = aiPlayer.getWeakestOpponent();
+            Player opp = ComputerUtil.getOpponentFor(aiPlayer);
             if (sa.canTarget(opp)) {
                 sa.getTargets().add(opp);
             } else {

forge-ai/src/main/java/forge/ai/ability/ChooseSourceAi.java

@@ -7,6 +7,7 @@ import com.google.common.base.Predicates;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCard;
 import forge.ai.ComputerUtilCombat;
 import forge.ai.ComputerUtilCost;
@@ -67,7 +68,7 @@ public class ChooseSourceAi extends SpellAbilityAi {
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt != null) {
             sa.resetTargets();
-            Player opp = ai.getWeakestOpponent();
+            Player opp = ComputerUtil.getOpponentFor(ai);
             if (sa.canTarget(opp)) {
                 sa.getTargets().add(opp);
             } else {
@@ -97,7 +98,10 @@ public class ChooseSourceAi extends SpellAbilityAi {
                         return false;
                     }
                     int dmg = AbilityUtils.calculateAmount(threatSource, topStack.getParam("NumDmg"), topStack);
-                    return ComputerUtilCombat.predictDamageTo(ai, dmg, threatSource, false) > 0;
+                    if (ComputerUtilCombat.predictDamageTo(ai, dmg, threatSource, false) <= 0) {
+                        return false;
+                    }
+                    return true;
                 }
                 if (game.getPhaseHandler().getPhase() != PhaseType.COMBAT_DECLARE_BLOCKERS) {
                     return false;
@@ -116,7 +120,9 @@ public class ChooseSourceAi extends SpellAbilityAi {
                         return ComputerUtilCombat.damageIfUnblocked(c, ai, combat, true) > 0;
                     }
                 });
-                return !choices.isEmpty();
+                if (choices.isEmpty()) {
+                    return false;
+                }
             }
         }
 

forge-ai/src/main/java/forge/ai/ability/CloneAi.java

@@ -12,6 +12,7 @@ import forge.game.phase.PhaseType;
 import forge.game.player.Player;
 import forge.game.player.PlayerActionConfirmMode;
 import forge.game.spellability.SpellAbility;
+import forge.game.spellability.TargetRestrictions;
 import forge.game.zone.ZoneType;
 
 import java.util.List;
@@ -20,6 +21,7 @@ public class CloneAi extends SpellAbilityAi {
 
     @Override
     protected boolean canPlayAI(Player ai, SpellAbility sa) {
+        final TargetRestrictions tgt = sa.getTargetRestrictions();
         final Card source = sa.getHostCard();
         final Game game = source.getGame();
 
@@ -37,13 +39,27 @@ public class CloneAi extends SpellAbilityAi {
         // TODO - add some kind of check for during human turn to answer
         // "Can I use this to block something?"
 
-        if (!checkPhaseRestrictions(ai, sa, ai.getGame().getPhaseHandler())) {
+        PhaseHandler phase = game.getPhaseHandler();
+        // don't use instant speed clone abilities outside computers
+        // Combat_Begin step
+        if (!phase.is(PhaseType.COMBAT_BEGIN)
+                && phase.isPlayerTurn(ai) && !SpellAbilityAi.isSorcerySpeed(sa)
+                && !sa.hasParam("ActivationPhases") && !sa.hasParam("Permanent")) {
             return false;
         }
 
-        PhaseHandler phase = game.getPhaseHandler();
+        // don't use instant speed clone abilities outside humans
+        // Combat_Declare_Attackers_InstantAbility step
+        if (!phase.is(PhaseType.COMBAT_DECLARE_ATTACKERS) || phase.isPlayerTurn(ai) || game.getCombat().getAttackers().isEmpty()) {
+            return false;
+        }
 
-        if (!sa.usesTargeting()) {
+        // don't activate during main2 unless this effect is permanent
+        if (phase.is(PhaseType.MAIN2) && !sa.hasParam("Permanent")) {
+            return false;
+        }
+
+        if (null == tgt) {
             final List<Card> defined = AbilityUtils.getDefinedCards(source, sa.getParam("Defined"), sa);
 
             boolean bFlag = false;
@@ -170,38 +186,19 @@ public class CloneAi extends SpellAbilityAi {
     @Override
     protected Card chooseSingleCard(Player ai, SpellAbility sa, Iterable<Card> options, boolean isOptional,
             Player targetedPlayer) {
-
         final Card host = sa.getHostCard();
         final Player ctrl = host.getController();
 
-        final Card cloneTarget = getCloneTarget(sa);
-        final boolean isOpp = cloneTarget.getController().isOpponentOf(sa.getActivatingPlayer());
-
         final boolean isVesuva = "Vesuva".equals(host.getName());
-        final boolean canCloneLegendary = "True".equalsIgnoreCase(sa.getParam("NonLegendary"));
 
-        String filter = !isVesuva ? "Permanent.YouDontCtrl,Permanent.nonLegendary"
+        final String filter = !isVesuva ? "Permanent.YouDontCtrl,Permanent.nonLegendary"
                 : "Permanent.YouDontCtrl+notnamedVesuva,Permanent.nonLegendary+notnamedVesuva";
 
-        // TODO: rewrite this block so that this is done somehow more elegantly
-        if (canCloneLegendary) {
-            filter = filter.replace(".nonLegendary+", ".").replace(".nonLegendary", "");
-        }
-
         CardCollection newOptions = CardLists.getValidCards(options, filter.split(","), ctrl, host, sa);
         if (!newOptions.isEmpty()) {
             options = newOptions;
         }
-
-        if (sa.hasParam("AiChoiceLogic")) {
-            final String logic = sa.getParam("AiChoiceLogic");
-            if ("BestOppCtrl".equals(logic)) {
-                options = CardLists.filterControlledBy(options, ctrl.getOpponents());
-            }
-        }
-
-        Card choice = isOpp ? ComputerUtilCard.getWorstAI(options) : ComputerUtilCard.getBestAI(options);
-
+        Card choice = ComputerUtilCard.getBestAI(options);
         if (isVesuva && "Vesuva".equals(choice.getName())) {
             choice = null;
         }
@@ -209,41 +206,4 @@ public class CloneAi extends SpellAbilityAi {
         return choice;
     }
 
-    protected Card getCloneTarget(final SpellAbility sa) {
-        final Card host = sa.getHostCard();
-        Card tgtCard = host;
-        if (sa.hasParam("CloneTarget")) {
-            final List<Card> cloneTargets = AbilityUtils.getDefinedCards(host, sa.getParam("CloneTarget"), sa);
-            if (!cloneTargets.isEmpty()) {
-                tgtCard = cloneTargets.get(0);
-            }
-        } else if (sa.hasParam("Choices") && sa.usesTargeting()) {
-            tgtCard = sa.getTargets().getFirstTargetedCard();
-        }
-
-        return tgtCard;
-    }
-
-    /*
-     * (non-Javadoc)
-     * @see forge.ai.SpellAbilityAi#checkPhaseRestrictions(forge.game.player.Player, forge.game.spellability.SpellAbility, forge.game.phase.PhaseHandler)
-     */
-    protected boolean checkPhaseRestrictions(final Player ai, final SpellAbility sa, final PhaseHandler ph) {
-        // don't use instant speed clone abilities outside computers
-        // Combat_Begin step
-        if (!ph.is(PhaseType.COMBAT_BEGIN)
-                && ph.isPlayerTurn(ai) && !SpellAbilityAi.isSorcerySpeed(sa)
-                && !sa.hasParam("ActivationPhases") && !sa.hasParam("Permanent")) {
-            return false;
-        }
-
-        // don't use instant speed clone abilities outside humans
-        // Combat_Declare_Attackers_InstantAbility step
-        if (!ph.is(PhaseType.COMBAT_DECLARE_ATTACKERS) || ph.isPlayerTurn(ai) || ph.getCombat().getAttackers().isEmpty()) {
-            return false;
-        }
-
-        // don't activate during main2 unless this effect is permanent
-        return !ph.is(PhaseType.MAIN2) || sa.hasParam("Permanent");
-    }
 }

forge-ai/src/main/java/forge/ai/ability/ControlExchangeAi.java

@@ -3,6 +3,7 @@ package forge.ai.ability;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Lists;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCard;
 import forge.ai.SpellAbilityAi;
 import forge.game.ability.AbilityUtils;
@@ -29,7 +30,7 @@ public class ControlExchangeAi extends SpellAbilityAi {
         sa.resetTargets();
 
         CardCollection list =
-                CardLists.getValidCards(ai.getWeakestOpponent().getCardsIn(ZoneType.Battlefield), tgt.getValidTgts(), ai, sa.getHostCard(), sa);
+                CardLists.getValidCards(ComputerUtil.getOpponentFor(ai).getCardsIn(ZoneType.Battlefield), tgt.getValidTgts(), ai, sa.getHostCard(), sa);
         // AI won't try to grab cards that are filtered out of AI decks on
         // purpose
         list = CardLists.filter(list, new Predicate<Card>() {

forge-ai/src/main/java/forge/ai/ability/ControlGainAi.java

@@ -84,7 +84,9 @@ public class ControlGainAi extends SpellAbilityAi {
             if (sa.hasParam("AllValid")) {
                 CardCollectionView tgtCards = CardLists.filterControlledBy(game.getCardsIn(ZoneType.Battlefield), opponents);
                 tgtCards = AbilityUtils.filterListByType(tgtCards, sa.getParam("AllValid"), sa);
-                return !tgtCards.isEmpty();
+                if (tgtCards.isEmpty()) {
+                    return false;
+                }
             }
             return true;
         } else {
@@ -245,7 +247,7 @@ public class ControlGainAi extends SpellAbilityAi {
                         break;
                     }
                 }
-            }
+            };
 
             if (t != null) {
                 sa.getTargets().add(t);
@@ -294,12 +296,15 @@ public class ControlGainAi extends SpellAbilityAi {
                 lose.addAll(Lists.newArrayList(sa.getParam("LoseControl").split(",")));
             }
 
-            return !lose.contains("EOT")
-                    || !game.getPhaseHandler().getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS);
+            if (lose.contains("EOT")
+                    && game.getPhaseHandler().getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS)) {
+                return false;
+            }
         } else {
             return this.canPlayAI(ai, sa);
         }
 
+        return true;
     } // pumpDrawbackAI()
 
     @Override

forge-ai/src/main/java/forge/ai/ability/CopyPermanentAi.java

@@ -22,8 +22,9 @@ import java.util.List;
 public class CopyPermanentAi extends SpellAbilityAi {
     @Override
     protected boolean canPlayAI(Player aiPlayer, SpellAbility sa) {
+        // Card source = sa.getHostCard();
         // TODO - I'm sure someone can do this AI better
-        Card source = sa.getHostCard();
+
         PhaseHandler ph = aiPlayer.getGame().getPhaseHandler();
         String aiLogic = sa.getParamOrDefault("AILogic", "");
 
@@ -37,11 +38,6 @@ public class CopyPermanentAi extends SpellAbilityAi {
             return ph.is(PhaseType.END_OF_TURN);
         } else if ("AtOppEOT".equals(aiLogic)) {
             return ph.is(PhaseType.END_OF_TURN) && ph.getPlayerTurn() != aiPlayer;
-        } else if ("DuplicatePerms".equals(aiLogic)) {
-            final List<Card> valid = AbilityUtils.getDefinedCards(source, sa.getParam("Defined"), sa);
-            if (valid.size() < 2) {
-                return false;
-            }
         }
 
         if (sa.hasParam("AtEOT") && !aiPlayer.getGame().getPhaseHandler().is(PhaseType.MAIN1)) {
@@ -50,7 +46,7 @@ public class CopyPermanentAi extends SpellAbilityAi {
 
         if (sa.hasParam("Defined")) {
             // If there needs to be an imprinted card, don't activate the ability if nothing was imprinted yet (e.g. Mimic Vat)
-            if (sa.getParam("Defined").equals("Imprinted.ExiledWithSource") && source.getImprintedCards().isEmpty()) {
+            if (sa.getParam("Defined").equals("Imprinted.ExiledWithSource") && sa.getHostCard().getImprintedCards().isEmpty()) {
                 return false;
             }
         }
@@ -64,32 +60,9 @@ public class CopyPermanentAi extends SpellAbilityAi {
 
         if (sa.usesTargeting() && sa.hasParam("TargetingPlayer")) {
             sa.resetTargets();
-            Player targetingPlayer = AbilityUtils.getDefinedPlayers(source, sa.getParam("TargetingPlayer"), sa).get(0);
+            Player targetingPlayer = AbilityUtils.getDefinedPlayers(sa.getHostCard(), sa.getParam("TargetingPlayer"), sa).get(0);
             sa.setTargetingPlayer(targetingPlayer);
             return targetingPlayer.getController().chooseTargetsFor(sa);
-        } else if (sa.getTargetRestrictions() != null && sa.getTargetRestrictions().canTgtPlayer()) {
-                if (!sa.isCurse()) {
-                    if (sa.canTarget(aiPlayer)) {
-                        sa.getTargets().add(aiPlayer);
-                        return true;
-                    } else {
-                        for (Player p : aiPlayer.getTeamMates(true)) {
-                            if (sa.canTarget(p)) {
-                                sa.getTargets().add(p);
-                                return true;
-                            }
-                        }
-                        return false;
-                    }
-                } else {
-                    for (Player p : aiPlayer.getOpponents()) {
-                        if (sa.canTarget(p)) {
-                            sa.getTargets().add(p);
-                            return true;
-                        }
-                    }
-                    return false;
-                }
         } else {
             return this.doTriggerAINoCost(aiPlayer, sa, false);
         }
@@ -101,7 +74,6 @@ public class CopyPermanentAi extends SpellAbilityAi {
         final Player activator = sa.getActivatingPlayer();
         final Game game = host.getGame();
         final String sourceName = ComputerUtilAbility.getAbilitySourceName(sa);
-        final boolean canCopyLegendary = sa.hasParam("NonLegendary");
 
         
         // ////
@@ -142,7 +114,7 @@ public class CopyPermanentAi extends SpellAbilityAi {
                 list = CardLists.filter(list, new Predicate<Card>() {
                     @Override
                     public boolean apply(final Card c) {
-                        return (!c.getType().isLegendary() || canCopyLegendary) || !c.getController().equals(aiPlayer);
+                        return !c.getType().isLegendary() || !c.getController().equals(aiPlayer);
                     }
                 });
                 Card choice;
@@ -208,8 +180,7 @@ public class CopyPermanentAi extends SpellAbilityAi {
     private CardCollection getBetterOptions(Player ai, SpellAbility sa, Iterable<Card> options, boolean isOptional) {
         final Card host = sa.getHostCard();
         final Player ctrl = host.getController();
-        final boolean canCopyLegendary = sa.hasParam("NonLegendary");
-        final String filter = canCopyLegendary ? "Permanent" : "Permanent.YouDontCtrl,Permanent.nonLegendary";
+        final String filter = "Permanent.YouDontCtrl,Permanent.nonLegendary";
         // TODO add filter to not select Legendary from Other Player when ai already have a Legendary with that name
         return CardLists.getValidCards(options, filter.split(","), ctrl, host, sa);
     }

forge-ai/src/main/java/forge/ai/ability/CountersMoveAi.java

@@ -90,7 +90,9 @@ public class CountersMoveAi extends SpellAbilityAi {
             }
 
             // for Simic Fluxmage and other
-            return ph.getNextTurn().equals(ai) && !ph.getPhase().isBefore(PhaseType.END_OF_TURN);
+            if (!ph.getNextTurn().equals(ai) || ph.getPhase().isBefore(PhaseType.END_OF_TURN)) {
+                return false;
+            }
 
         } else if (CounterType.P1P1.equals(cType) && sa.hasParam("Defined")) {
             // something like Cyptoplast Root-kin
@@ -105,7 +107,9 @@ public class CountersMoveAi extends SpellAbilityAi {
             }
             // Make sure that removing the last counter doesn't kill the creature
             if ("Self".equals(sa.getParam("Source"))) {
-                return host == null || host.getNetToughness() - 1 > 0;
+                if (host != null && host.getNetToughness() - 1 <= 0) {
+                    return false;
+                }
             }
         }
         return true;
@@ -189,7 +193,9 @@ public class CountersMoveAi extends SpellAbilityAi {
 
                 // check for some specific AI preferences
                 if ("DontMoveCounterIfLethal".equals(sa.getParam("AILogic"))) {
-                    return cType != CounterType.P1P1 || src.getNetToughness() - src.getTempToughnessBoost() - 1 > 0;
+                    if (cType == CounterType.P1P1 && src.getNetToughness() - src.getTempToughnessBoost() - 1 <= 0) {
+                        return false;
+                    }
                 }
             }
             // no target
@@ -201,7 +207,9 @@ public class CountersMoveAi extends SpellAbilityAi {
     public boolean chkAIDrawback(SpellAbility sa, Player ai) {
         if (sa.usesTargeting()) {
             sa.resetTargets();
-            return moveTgtAI(ai, sa);
+            if (!moveTgtAI(ai, sa)) {
+                return false;
+            }
         }
 
         return true;
@@ -279,7 +287,10 @@ public class CountersMoveAi extends SpellAbilityAi {
                         // do not steal a P1P1 from Undying if it would die
                         // this way
                         if (CounterType.P1P1.equals(cType) && srcCardCpy.getNetToughness() <= 0) {
-                            return srcCardCpy.getCounters(cType) > 0 || !card.hasKeyword(Keyword.UNDYING) || card.isToken();
+                            if (srcCardCpy.getCounters(cType) > 0 || !card.hasKeyword(Keyword.UNDYING) || card.isToken()) {
+                                return true;
+                            }
+                            return false;
                         }
                         return true;
                     }

forge-ai/src/main/java/forge/ai/ability/CountersMultiplyAi.java

@@ -48,7 +48,6 @@ public class CountersMultiplyAi extends SpellAbilityAi {
                         if (!c.canReceiveCounters(counterType)) {
                             return false;
                         }
-
                     } else {
                         for (Map.Entry<CounterType, Integer> e : c.getCounters().entrySet()) {
                             // has negative counter it would double
@@ -97,7 +96,10 @@ public class CountersMultiplyAi extends SpellAbilityAi {
 
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        return !sa.usesTargeting() || setTargets(ai, sa) || mandatory;
+        if (sa.usesTargeting() && !setTargets(ai, sa) && !mandatory) {
+            return false;
+        }
+        return true;
     }
 
     private CounterType getCounterType(SpellAbility sa) {

forge-ai/src/main/java/forge/ai/ability/CountersProliferateAi.java

@@ -1,20 +1,15 @@
 package forge.ai.ability;
 
-import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
 import com.google.common.base.Predicate;
-import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 
 import forge.ai.ComputerUtil;
-import forge.ai.ComputerUtilCard;
 import forge.ai.SpellAbilityAi;
-import forge.game.GameEntity;
 import forge.game.card.Card;
 import forge.game.card.CardLists;
-import forge.game.card.CardUtil;
 import forge.game.card.CounterType;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
@@ -38,14 +33,10 @@ public class CountersProliferateAi extends SpellAbilityAi {
             cperms.addAll(CardLists.filter(p.getCardsIn(ZoneType.Battlefield), new Predicate<Card>() {
                 @Override
                 public boolean apply(final Card crd) {
-                    if (!crd.hasCounters()) {
+                    if (crd.hasCounters()) {
                         return false;
                     }
 
-                    if (crd.isPlaneswalker()) {
-                        return true;
-                    }
-
                     // iterate only over existing counters
                     for (final Map.Entry<CounterType, Integer> e : crd.getCounters().entrySet()) {
                         if (e.getValue() >= 1 && !ComputerUtil.isNegativeCounter(e.getKey(), crd)) {
@@ -65,11 +56,7 @@ public class CountersProliferateAi extends SpellAbilityAi {
             hperms.addAll(CardLists.filter(o.getCardsIn(ZoneType.Battlefield), new Predicate<Card>() {
                 @Override
                 public boolean apply(final Card crd) {
-                    if (!crd.hasCounters()) {
-                        return false;
-                    }
-
-                    if (crd.isPlaneswalker()) {
+                    if (crd.hasCounters()) {
                         return false;
                     }
 
@@ -85,7 +72,10 @@ public class CountersProliferateAi extends SpellAbilityAi {
         }
         
 
-        return !cperms.isEmpty() || !hperms.isEmpty() || opponentPoison || allyExpOrEnergy;
+        if (cperms.isEmpty() && hperms.isEmpty() && !opponentPoison && !allyExpOrEnergy) {
+            return false;
+        }
+        return true;
     }
 
     @Override
@@ -102,68 +92,7 @@ public class CountersProliferateAi extends SpellAbilityAi {
      */
     @Override
     public boolean chkAIDrawback(SpellAbility sa, Player ai) {
-        if ("Always".equals(sa.getParam("AILogic"))) {
-            return true;
-        }
-
-        return checkApiLogic(ai, sa);
+        return canPlayAI(ai, sa);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see forge.ai.SpellAbilityAi#chooseSingleEntity(forge.game.player.Player, forge.game.spellability.SpellAbility, java.util.Collection, boolean, forge.game.player.Player)
-     */
-    @SuppressWarnings("unchecked")
-    @Override
-    public <T extends GameEntity> T chooseSingleEntity(Player ai, SpellAbility sa, Collection<T> options, boolean isOptional, Player targetedPlayer) {
-        // Proliferate is always optional for all, no need to select best
-
-        // because countertype can't be chosen anymore, only look for posion counters
-        for (final Player p : Iterables.filter(options, Player.class)) {
-            if (p.isOpponentOf(ai)) {
-                if (p.getCounters(CounterType.POISON) > 0 && p.canReceiveCounters(CounterType.POISON)) {
-                    return (T)p;
-                }
-            } else {
-                if (p.getCounters(CounterType.POISON) <= 5 || p.canReceiveCounters(CounterType.POISON)) {
-                    return (T)p;
-                }
-            }
-        }
-
-        for (final Card c : Iterables.filter(options, Card.class)) {
-            // AI planeswalker always, opponent planeswalkers never
-            if (c.isPlaneswalker()) {
-                if (c.getController().isOpponentOf(ai)) {
-                    continue;
-                } else {
-                    return (T)c;
-                }
-            }
-
-            final Card lki = CardUtil.getLKICopy(c);
-            // update all the counters there
-            boolean hasNegative = false;
-            for (final CounterType ct : c.getCounters().keySet()) {
-                hasNegative = hasNegative || ComputerUtil.isNegativeCounter(ct, c);
-                lki.setCounters(ct, lki.getCounters(ct) + 1);
-            }
-
-            // TODO need more logic there?
-            // it tries to evaluate the creatures
-            if (c.isCreature()) {
-                if (c.getController().isOpponentOf(ai) ==
-                        (ComputerUtilCard.evaluateCreature(lki, true, false)
-                                < ComputerUtilCard.evaluateCreature(c, true, false))) {
-                    return (T)c;
-                }
-            } else {
-                if (!c.getController().isOpponentOf(ai) && !hasNegative) {
-                    return (T)c;
-                }
-            }
-        }
-
-        return null;
-    }
 }

forge-ai/src/main/java/forge/ai/ability/CountersPutAi.java

@@ -220,8 +220,6 @@ public class CountersPutAi extends SpellAbilityAi {
 
         if ("Never".equals(logic)) {
             return false;
-        } else if ("AristocratCounters".equals(logic)) {
-            return PumpAi.doAristocratWithCountersLogic(sa, ai);
         } else if ("PayEnergy".equals(logic)) {
             return true;
         } else if ("PayEnergyConservatively".equals(logic)) {
@@ -313,20 +311,13 @@ public class CountersPutAi extends SpellAbilityAi {
             return false;
         }
 
+        if (sa.hasParam("Adapt") && source.getCounters(CounterType.P1P1) > 0) {
+            return false;
+        }
+
         // TODO handle proper calculation of X values based on Cost
         int amount = AbilityUtils.calculateAmount(source, amountStr, sa);
 
-        if (sa.hasParam("Adapt")) {
-            Game game = ai.getGame();
-            Combat combat = game.getCombat();
-
-            if (!source.canReceiveCounters(CounterType.P1P1) || source.getCounters(CounterType.P1P1) > 0) {
-                return false;
-            } else if (combat != null && ph.is(PhaseType.COMBAT_DECLARE_BLOCKERS)) {
-                return doCombatAdaptLogic(source, amount, combat);
-            }
-        }
-
         if ("Fight".equals(logic)) {
             int nPump = 0;
             if (type.equals("P1P1")) {
@@ -469,7 +460,7 @@ public class CountersPutAi extends SpellAbilityAi {
                     int left = amount;
                     for (Card c : list) {
                         if (ComputerUtilCard.shouldPumpCard(ai, sa, c, i, i,
-                                Lists.newArrayList())) {
+                                Lists.<String>newArrayList())) {
                             sa.getTargets().add(c);
                             abTgt.addDividedAllocation(c, i);
                             left -= i;
@@ -506,7 +497,7 @@ public class CountersPutAi extends SpellAbilityAi {
                     if (type.equals("P1P1") && !SpellAbilityAi.isSorcerySpeed(sa)) {
                         for (Card c : list) {
                             if (ComputerUtilCard.shouldPumpCard(ai, sa, c, amount, amount,
-                                    Lists.newArrayList())) {
+                                    Lists.<String>newArrayList())) {
                                 choice = c;
                                 break;
                             }
@@ -1058,39 +1049,4 @@ public class CountersPutAi extends SpellAbilityAi {
         return false;
     }
 
-    private boolean doCombatAdaptLogic(Card source, int amount, Combat combat) {
-        if (combat.isAttacking(source)) {
-            if (!combat.isBlocked(source)) {
-                return true;
-            } else {
-                for (Card blockedBy : combat.getBlockers(source)) {
-                    if (blockedBy.getNetToughness() > source.getNetPower()
-                            && blockedBy.getNetToughness() <= source.getNetPower() + amount) {
-                        return true;
-                    }
-                }
-
-                int totBlkPower = Aggregates.sum(combat.getBlockers(source), CardPredicates.Accessors.fnGetNetPower);
-                if (source.getNetToughness() <= totBlkPower
-                        && source.getNetToughness() + amount > totBlkPower) {
-                    return true;
-                }
-            }
-        } else if (combat.isBlocking(source)) {
-            for (Card blocked : combat.getAttackersBlockedBy(source)) {
-                if (blocked.getNetToughness() > source.getNetPower()
-                        && blocked.getNetToughness() <= source.getNetPower() + amount) {
-                    return true;
-                }
-            }
-
-            int totAtkPower = Aggregates.sum(combat.getAttackersBlockedBy(source), CardPredicates.Accessors.fnGetNetPower);
-            if (source.getNetToughness() <= totAtkPower
-                    && source.getNetToughness() + amount > totAtkPower) {
-                return true;
-            }
-        }
-        return false;
-    }
-
 }

forge-ai/src/main/java/forge/ai/ability/CountersPutAllAi.java

@@ -2,6 +2,7 @@ package forge.ai.ability;
 
 import com.google.common.base.Predicate;
 import com.google.common.collect.Lists;
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCost;
 import forge.ai.ComputerUtilMana;
 import forge.ai.SpellAbilityAi;
@@ -38,13 +39,8 @@ public class CountersPutAllAi extends SpellAbilityAi {
         final boolean curse = sa.isCurse();
         final TargetRestrictions tgt = sa.getTargetRestrictions();
 
-        if ("OwnCreatsAndOtherPWs".equals(sa.getParam("AILogic"))) {
-            hList = CardLists.getValidCards(ai.getWeakestOpponent().getCardsIn(ZoneType.Battlefield), "Creature.YouCtrl,Planeswalker.YouCtrl+Other", source.getController(), source);
-            cList = CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), "Creature.YouCtrl,Planeswalker.YouCtrl+Other", source.getController(), source);
-        } else {
-            hList = CardLists.getValidCards(ai.getWeakestOpponent().getCardsIn(ZoneType.Battlefield), valid, source.getController(), source);
-            cList = CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), valid, source.getController(), source);
-        }
+        hList = CardLists.getValidCards(ComputerUtil.getOpponentFor(ai).getCardsIn(ZoneType.Battlefield), valid, source.getController(), source);
+        cList = CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), valid, source.getController(), source);
 
         if (abCost != null) {
             // AI currently disabled for these costs
@@ -72,7 +68,7 @@ public class CountersPutAllAi extends SpellAbilityAi {
         }
 
         if (tgt != null) {
-            Player pl = curse ? ai.getWeakestOpponent() : ai;
+            Player pl = curse ? ComputerUtil.getOpponentFor(ai) : ai;
             sa.getTargets().add(pl);
 
             hList = CardLists.filterControlledBy(hList, pl);
@@ -153,7 +149,7 @@ public class CountersPutAllAi extends SpellAbilityAi {
      */
     @Override
     public boolean confirmAction(Player player, SpellAbility sa, PlayerActionConfirmMode mode, String message) {
-        return player.getCreaturesInPlay().size() >= player.getWeakestOpponent().getCreaturesInPlay().size();
+        return player.getCreaturesInPlay().size() >= ComputerUtil.getOpponentFor(player).getCreaturesInPlay().size();
     }
 
     @Override

forge-ai/src/main/java/forge/ai/ability/CountersRemoveAi.java

@@ -6,7 +6,6 @@ import forge.ai.ComputerUtilCard;
 import forge.ai.ComputerUtilMana;
 import forge.ai.SpellAbilityAi;
 import forge.game.Game;
-import forge.game.GameEntity;
 import forge.game.GlobalRuleChange;
 import forge.game.ability.AbilityUtils;
 import forge.game.card.*;
@@ -101,7 +100,7 @@ public class CountersRemoveAi extends SpellAbilityAi {
         }
 
         // Filter AI-specific targets if provided
-        list = ComputerUtil.filterAITgts(sa, ai, list, false);
+        list = ComputerUtil.filterAITgts(sa, ai, (CardCollection)list, false);
 
         boolean noLegendary = game.getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noLegendRule);
 
@@ -201,20 +200,14 @@ public class CountersRemoveAi extends SpellAbilityAi {
                 }
 
                 // do as P1P1 part
-                CardCollection aiP1P1List = CardLists.filter(aiList, CardPredicates.hasLessCounter(CounterType.P1P1, amount));
-                CardCollection aiUndyingList = CardLists.getKeyword(aiP1P1List, Keyword.UNDYING);
+                CardCollection aiP1P1List = CardLists.filter(aiList, CardPredicates.hasCounter(CounterType.P1P1));
+                CardCollection aiUndyingList = CardLists.getKeyword(aiM1M1List, Keyword.UNDYING);
 
                 if (!aiUndyingList.isEmpty()) {
-                    sa.getTargets().add(ComputerUtilCard.getBestCreatureAI(aiUndyingList));
-                    return true;
+                    aiP1P1List = aiUndyingList;
                 }
-
-                // remove P1P1 counters from opposing creatures
-                CardCollection oppP1P1List = CardLists.filter(list,
-                        Predicates.and(CardPredicates.Presets.CREATURES, CardPredicates.isControlledByAnyOf(ai.getOpponents())),
-                        CardPredicates.hasCounter(CounterType.P1P1));
-                if (!oppP1P1List.isEmpty()) {
-                    sa.getTargets().add(ComputerUtilCard.getBestCreatureAI(oppP1P1List));
+                if (!aiP1P1List.isEmpty()) {
+                    sa.getTargets().add(ComputerUtilCard.getBestCreatureAI(aiP1P1List));
                     return true;
                 }
 
@@ -361,30 +354,7 @@ public class CountersRemoveAi extends SpellAbilityAi {
      */
     @Override
     public int chooseNumber(Player player, SpellAbility sa, int min, int max, Map<String, Object> params) {
-        GameEntity target = (GameEntity) params.get("Target");
-        CounterType type = (CounterType) params.get("CounterType");
-
-        if (target instanceof Card) {
-            Card targetCard = (Card) target;
-            if (targetCard.getController().isOpponentOf(player)) {
-                return !ComputerUtil.isNegativeCounter(type, targetCard) ? max : min;
-            } else {
-                if (targetCard.hasKeyword(Keyword.UNDYING) && type == CounterType.P1P1
-                        && targetCard.getCounters(CounterType.P1P1) >= max) {
-                    return max;
-                }
-
-                return ComputerUtil.isNegativeCounter(type, targetCard) ? max : min;
-            }
-        } else if (target instanceof Player) {
-            Player targetPlayer = (Player) target;
-            if (targetPlayer.isOpponentOf(player)) {
-                return !type.equals(CounterType.POISON) ? max : min;
-            } else {
-                return type.equals(CounterType.POISON) ? max : min;
-            }
-        }
-
+        // TODO Auto-generated method stub
         return super.chooseNumber(player, sa, min, max, params);
     }
 
@@ -400,49 +370,30 @@ public class CountersRemoveAi extends SpellAbilityAi {
             return super.chooseCounterType(options, sa, params);
         }
         Player ai = sa.getActivatingPlayer();
-        GameEntity target = (GameEntity) params.get("Target");
+        Card target = (Card) params.get("Target");
 
-        if (target instanceof Card) {
-            Card targetCard = (Card) target;
-            if (targetCard.getController().isOpponentOf(ai)) {
-                // if its a Planeswalker try to remove Loyality first
-                if (targetCard.isPlaneswalker()) {
-                    return CounterType.LOYALTY;
-                }
-                for (CounterType type : options) {
-                    if (!ComputerUtil.isNegativeCounter(type, targetCard)) {
-                        return type;
-                    }
-                }
-            } else {
-                if (options.contains(CounterType.M1M1) && targetCard.hasKeyword(Keyword.PERSIST)) {
-                    return CounterType.M1M1;
-                } else if (options.contains(CounterType.P1P1) && targetCard.hasKeyword(Keyword.UNDYING)) {
-                    return CounterType.P1P1;
-                }
-                for (CounterType type : options) {
-                    if (ComputerUtil.isNegativeCounter(type, targetCard)) {
-                        return type;
-                    }
+        if (target.getController().isOpponentOf(ai)) {
+            // if its a Planeswalker try to remove Loyality first
+            if (target.isPlaneswalker()) {
+                return CounterType.LOYALTY;
+            }
+            for (CounterType type : options) {
+                if (!ComputerUtil.isNegativeCounter(type, target)) {
+                    return type;
                 }
             }
-        } else if (target instanceof Player) {
-            Player targetPlayer = (Player) target;
-            if (targetPlayer.isOpponentOf(ai)) {
-                for (CounterType type : options) {
-                    if (!type.equals(CounterType.POISON)) {
-                        return type;
-                    }
-                }
-            } else {
-                for (CounterType type : options) {
-                    if (type.equals(CounterType.POISON)) {
-                        return type;
-                    }
+        } else {
+            if (options.contains(CounterType.M1M1) && target.hasKeyword(Keyword.PERSIST)) {
+                return CounterType.M1M1;
+            } else if (options.contains(CounterType.P1P1) && target.hasKeyword(Keyword.UNDYING)) {
+                return CounterType.M1M1;
+            }
+            for (CounterType type : options) {
+                if (ComputerUtil.isNegativeCounter(type, target)) {
+                    return type;
                 }
             }
         }
-
         return super.chooseCounterType(options, sa, params);
     }
 }

forge-ai/src/main/java/forge/ai/ability/DamageAiBase.java

@@ -1,6 +1,7 @@
 package forge.ai.ability;
 
 import com.google.common.collect.Iterables;
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCombat;
 import forge.ai.SpellAbilityAi;
 import forge.game.Game;
@@ -19,7 +20,7 @@ import forge.util.MyRandom;
 
 public abstract class DamageAiBase extends SpellAbilityAi {
     protected boolean avoidTargetP(final Player comp, final SpellAbility sa) {
-        Player enemy = comp.getWeakestOpponent();
+        Player enemy = ComputerUtil.getOpponentFor(comp);
         // Logic for cards that damage owner, like Fireslinger
         // Do not target a player if they aren't below 75% of our health.
         // Unless Lifelink will cancel the damage to us
@@ -37,7 +38,9 @@ public abstract class DamageAiBase extends SpellAbilityAi {
         }
         if ("SelfDamage".equals(sa.getParam("AILogic"))) {
             if (comp.getLife() * 0.75 < enemy.getLife()) {
-                return !lifelink;
+                if (!lifelink) {
+                    return true;
+                }
             }
         }
         return false;
@@ -51,7 +54,7 @@ public abstract class DamageAiBase extends SpellAbilityAi {
     protected boolean shouldTgtP(final Player comp, final SpellAbility sa, final int d, final boolean noPrevention, final boolean noPlaneswalkerRedirection) {
         int restDamage = d;
         final Game game = comp.getGame();
-        Player enemy = comp.getWeakestOpponent();
+        Player enemy = ComputerUtil.getOpponentFor(comp);
         boolean dmgByCardsInHand = false;
 
         if ("X".equals(sa.getParam("NumDmg")) && sa.getHostCard() != null && sa.hasSVar(sa.getParam("NumDmg")) &&

forge-ai/src/main/java/forge/ai/ability/DamageAllAi.java

@@ -212,7 +212,7 @@ public class  DamageAllAi extends SpellAbilityAi {
         }
 
         // Evaluate creatures getting killed
-        Player enemy = ai.getWeakestOpponent();
+        Player enemy = ComputerUtil.getOpponentFor(ai);
         final CardCollection humanList = getKillableCreatures(sa, enemy, dmg);
         CardCollection computerList = getKillableCreatures(sa, ai, dmg);
         final TargetRestrictions tgt = sa.getTargetRestrictions();
@@ -294,7 +294,7 @@ public class  DamageAllAi extends SpellAbilityAi {
         }
 
         // Evaluate creatures getting killed
-        Player enemy = ai.getWeakestOpponent();
+        Player enemy = ComputerUtil.getOpponentFor(ai);
         final CardCollection humanList = getKillableCreatures(sa, enemy, dmg);
         CardCollection computerList = getKillableCreatures(sa, ai, dmg);
         final TargetRestrictions tgt = sa.getTargetRestrictions();

forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java

@@ -11,7 +11,6 @@ import forge.game.ability.AbilityUtils;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
 import forge.game.cost.Cost;
-import forge.game.cost.CostPart;
 import forge.game.cost.CostPartMana;
 import forge.game.cost.CostRemoveCounter;
 import forge.game.keyword.Keyword;
@@ -76,11 +75,14 @@ public class DamageDealAi extends DamageAiBase {
                 // Set PayX here to maximum value.
                 dmg = ComputerUtilMana.determineLeftoverMana(sa, ai);
                 source.setSVar("PayX", Integer.toString(dmg));
-            } else if (sa.getSVar(damage).equals("Count$CardsInYourHand") && source.isInZone(ZoneType.Hand)) {
+            } else if (sa.getSVar(damage).equals("Count$CardsInYourHand") && source.getZone().is(ZoneType.Hand)) {
                 dmg--; // the card will be spent casting the spell, so actual damage is 1 less
             }
         }
-        return this.damageTargetAI(ai, sa, dmg, true);
+        if (!this.damageTargetAI(ai, sa, dmg, true)) {
+            return false;
+        }
+        return true;
     }
 
     @Override
@@ -113,7 +115,7 @@ public class DamageDealAi extends DamageAiBase {
 
                 // Set PayX here to maximum value. It will be adjusted later depending on the target.
                 source.setSVar("PayX", Integer.toString(dmg));
-            } else if (sa.getSVar(damage).contains("InYourHand") && source.isInZone(ZoneType.Hand)) {
+            } else if (sa.getSVar(damage).contains("InYourHand") && source.getZone().is(ZoneType.Hand)) {
                 dmg = CardFactoryUtil.xCount(source, sa.getSVar(damage)) - 1; // the card will be spent casting the spell, so actual damage is 1 less
             } else if (sa.getSVar(damage).equals("TargetedPlayer$CardsInHand")) {
                 // cards that deal damage by the number of cards in target player's hand, e.g. Sudden Impact
@@ -156,7 +158,7 @@ public class DamageDealAi extends DamageAiBase {
                     }
                 }
             }
-            if (!ai.getCreaturesAttackedThisTurn().isEmpty()) {
+            if (ai.getAttackedWithCreatureThisTurn()) {
                 dmg = Integer.parseInt(logic.substring(logic.indexOf(".") + 1));
             }
         } else if ("WildHunt".equals(logic)) {
@@ -269,11 +271,11 @@ public class DamageDealAi extends DamageAiBase {
                 sourceName.equals("Crater's Claws")){
             // If I can kill my target by paying less mana, do it
             if (sa.usesTargeting() && !sa.getTargets().isTargetingAnyPlayer() && !sa.hasParam("DividedAsYouChoose")) {
-                int actualPay = dmg;
+                int actualPay = 0;
                 final boolean noPrevention = sa.hasParam("NoPrevention");
                 for (final Card c : sa.getTargets().getTargetCards()) {
                     final int adjDamage = ComputerUtilCombat.getEnoughDamageToKill(c, dmg, source, false, noPrevention);
-                    if (adjDamage < actualPay) {
+                    if ((adjDamage > actualPay) && (adjDamage <= dmg)) {
                         actualPay = adjDamage;
                     }
                 }
@@ -284,23 +286,6 @@ public class DamageDealAi extends DamageAiBase {
             }
         }
 
-        if ("XCountersDamage".equals(logic) && sa.getPayCosts() != null) {
-            // Check to ensure that we have enough counters to remove per the defined PayX
-            for (CostPart part : sa.getPayCosts().getCostParts()) {
-                if (part instanceof CostRemoveCounter) {
-                    if (source.getCounters(((CostRemoveCounter) part).counter) < Integer.valueOf(source.getSVar("PayX"))) {
-                        return false;
-                    }
-                    break;
-                }
-            }
-        }
-
-        if ("DiscardCMCX".equals(sa.getParam("AILogic"))) {
-            final int CMC = Integer.parseInt(source.getSVar("PayX"));
-            return !CardLists.filter(ai.getCardsIn(ZoneType.Hand), CardPredicates.hasCMC(CMC)).isEmpty();
-        }
-
         return true;
     }
 
@@ -449,14 +434,14 @@ public class DamageDealAi extends DamageAiBase {
 
             for (SpellAbility sa : pw.getSpellAbilities()) {
                 if (sa.hasParam("Ultimate") && sa.getPayCosts() != null) {
-                    Integer loyaltyCost = 0;
+                    int loyaltyCost = 0;
                     CostRemoveCounter remLoyalty = sa.getPayCosts().getCostPartByType(CostRemoveCounter.class);
                     if (remLoyalty != null) {
                         // if remLoyalty is null, generally there's an AddCounter<0/LOYALTY> cost, like for Gideon Jura.
                         loyaltyCost = remLoyalty.convertAmount();
                     }
 
-                    if (loyaltyCost != null && loyaltyCost != 0 && loyaltyCost - curLoyalty <= 1) {
+                    if (loyaltyCost != 0 && loyaltyCost - curLoyalty <= 1) {
                         // Will ultimate soon
                         pwScore += 10000;
                     }
@@ -487,7 +472,9 @@ public class DamageDealAi extends DamageAiBase {
         for (final Object o : objects) {
             if (o instanceof Card) {
                 final Card c = (Card) o;
-                hPlay.remove(c);
+                if (hPlay.contains(c)) {
+                    hPlay.remove(c);
+                }
             }
         }
         hPlay = CardLists.getTargetableCards(hPlay, sa);
@@ -547,7 +534,7 @@ public class DamageDealAi extends DamageAiBase {
         final boolean oppTargetsChoice = sa.hasParam("TargetingPlayer");
         final String logic = sa.getParamOrDefault("AILogic", "");
 
-        Player enemy = ai.getWeakestOpponent();
+        Player enemy = ComputerUtil.getOpponentFor(ai);
 
         if ("PowerDmg".equals(logic)) {
             // check if it is better to target the player instead, the original target is already set in PumpAi.pumpTgtAI()
@@ -648,9 +635,10 @@ public class DamageDealAi extends DamageAiBase {
                 if (c != null && !this.shouldTgtP(ai, sa, dmg, noPrevention, true)) {
                     tcs.add(c);
                     if (divided) {
-                        int assignedDamage = ComputerUtilCombat.getEnoughDamageToKill(c, dmg, source, false, noPrevention);
-                        assignedDamage = Math.min(dmg, assignedDamage);
-                        tgt.addDividedAllocation(c, assignedDamage);
+                        final int assignedDamage = ComputerUtilCombat.getEnoughDamageToKill(c, dmg, source, false, noPrevention);
+                        if (assignedDamage <= dmg) {
+                            tgt.addDividedAllocation(c, assignedDamage);
+                        }
                         dmg = dmg - assignedDamage;
                         if (dmg <= 0) {
                             break;
@@ -717,7 +705,8 @@ public class DamageDealAi extends DamageAiBase {
                     }
 
                     if (phase.is(PhaseType.MAIN2) && sa.isAbility()) {
-                        if (sa.isPwAbility() || source.hasSVar("EndOfTurnLeavePlay"))
+                        if (sa.getRestrictions().isPwAbility()
+                                || source.hasSVar("EndOfTurnLeavePlay"))
                             freePing = true;
                     }
                 }
@@ -871,7 +860,7 @@ public class DamageDealAi extends DamageAiBase {
         // this is for Triggered targets that are mandatory
         final boolean noPrevention = sa.hasParam("NoPrevention");
         final boolean divided = sa.hasParam("DividedAsYouChoose");
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
 
         while (sa.getTargets().getNumTargeted() < tgt.getMinTargets(sa.getHostCard(), sa)) {
             if (tgt.canTgtPlaneswalker()) {
@@ -947,7 +936,9 @@ public class DamageDealAi extends DamageAiBase {
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt == null) {
             // If it's not mandatory check a few things
-            return mandatory || this.damageChooseNontargeted(ai, sa, dmg);
+            if (!mandatory && !this.damageChooseNontargeted(ai, sa, dmg)) {
+                return false;
+            }
         } else {
             if (!this.damageChoosingTargets(ai, sa, tgt, dmg, mandatory, true) && !mandatory) {
                 return false;
@@ -1089,7 +1080,7 @@ public class DamageDealAi extends DamageAiBase {
                                 continue; // not a toughness debuff
                             }
                         }
-                        if (StringUtils.isNumeric(dmgDef)) { // currently doesn't work for X and other dependent costs
+                        if (StringUtils.isNumeric(dmgDef) && ab.canPlay()) { // currently doesn't work for X and other dependent costs
                             if (sa.usesTargeting() && ab.usesTargeting()) {
                                 // Ensure that the chained spell can target at least the same things (or more) as the current one
                                 TargetRestrictions tgtSa = sa.getTargetRestrictions();

forge-ai/src/main/java/forge/ai/ability/DamagePreventAi.java

@@ -100,7 +100,7 @@ public class DamagePreventAi extends SpellAbilityAi {
             	tcs.add(ai);
                 chance = true;
             }
-            final List<Card> threatenedTargets = new ArrayList<>();
+            final List<Card> threatenedTargets = new ArrayList<Card>();
             // filter AIs battlefield by what I can target
             List<Card> targetables = CardLists.getValidCards(ai.getCardsIn(ZoneType.Battlefield), tgt.getValidTgts(), ai, hostCard, sa);
             targetables = CardLists.getTargetableCards(targetables, sa);

forge-ai/src/main/java/forge/ai/ability/DebuffAi.java

@@ -4,6 +4,7 @@ import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilCard;
 import forge.ai.ComputerUtilCost;
 import forge.ai.SpellAbilityAi;
@@ -124,7 +125,7 @@ public class DebuffAi extends SpellAbilityAi {
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         sa.resetTargets();
-        CardCollection list = getCurseCreatures(ai, sa, kws == null ? Lists.newArrayList() : kws);
+        CardCollection list = getCurseCreatures(ai, sa, kws == null ? Lists.<String>newArrayList() : kws);
         list = CardLists.getValidCards(list, tgt.getValidTgts(), sa.getActivatingPlayer(), sa.getHostCard(), sa);
 
         // several uses here:
@@ -176,7 +177,7 @@ public class DebuffAi extends SpellAbilityAi {
      * @return a CardCollection.
      */
     private CardCollection getCurseCreatures(final Player ai, final SpellAbility sa, final List<String> kws) {
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         CardCollection list = CardLists.getTargetableCards(opp.getCreaturesInPlay(), sa);
         if (!list.isEmpty()) {
             list = CardLists.filter(list, new Predicate<Card>() {
@@ -216,7 +217,7 @@ public class DebuffAi extends SpellAbilityAi {
             list.remove(c);
         }
 
-        final CardCollection pref = CardLists.filterControlledBy(list, ai.getWeakestOpponent());
+        final CardCollection pref = CardLists.filterControlledBy(list, ComputerUtil.getOpponentFor(ai));
         final CardCollection forced = CardLists.filterControlledBy(list, ai);
         final Card source = sa.getHostCard();
 
@@ -266,7 +267,7 @@ public class DebuffAi extends SpellAbilityAi {
 
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        final List<String> kws = sa.hasParam("Keywords") ? Arrays.asList(sa.getParam("Keywords").split(" & ")) : new ArrayList<>();
+        final List<String> kws = sa.hasParam("Keywords") ? Arrays.asList(sa.getParam("Keywords").split(" & ")) : new ArrayList<String>();
 
         if (sa.getTargetRestrictions() == null) {
             if (mandatory) {

forge-ai/src/main/java/forge/ai/ability/DelayedTriggerAi.java

@@ -27,7 +27,7 @@ public class DelayedTriggerAi extends SpellAbilityAi {
         trigsa.setActivatingPlayer(ai);
 
         if (trigsa instanceof AbilitySub) {
-            return SpellApiToAi.Converter.get(trigsa.getApi()).chkDrawbackWithSubs(ai, (AbilitySub)trigsa);
+            return SpellApiToAi.Converter.get(((AbilitySub) trigsa).getApi()).chkDrawbackWithSubs(ai, (AbilitySub)trigsa);
         } else {
             return AiPlayDecision.WillPlay == ((PlayerControllerAi)ai.getController()).getAi().canPlaySa(trigsa);
         }

forge-ai/src/main/java/forge/ai/ability/DestroyAi.java

@@ -48,7 +48,7 @@ public class DestroyAi extends SpellAbilityAi {
                 return false;
             }
 
-            hasXCost = abCost.getCostMana() != null && abCost.getCostMana().getAmountOfX() > 0;
+            hasXCost = abCost.getCostMana() != null ? abCost.getCostMana().getAmountOfX() > 0 : false;
         }
 
         if ("AtOpponentsCombatOrAfter".equals(sa.getParam("AILogic"))) {
@@ -63,7 +63,7 @@ public class DestroyAi extends SpellAbilityAi {
             }
         } else if ("AtEOTIfNotAttacking".equals(sa.getParam("AILogic"))) {
             PhaseHandler ph = ai.getGame().getPhaseHandler();
-            if (!ph.is(PhaseType.END_OF_TURN) || !ai.getCreaturesAttackedThisTurn().isEmpty()) {
+            if (!ph.is(PhaseType.END_OF_TURN) || ai.getAttackedWithCreatureThisTurn()) {
                 return false;
             }
         }
@@ -132,7 +132,7 @@ public class DestroyAi extends SpellAbilityAi {
             }
 
             // Filter AI-specific targets if provided
-            list = ComputerUtil.filterAITgts(sa, ai, list, true);
+            list = ComputerUtil.filterAITgts(sa, ai, (CardCollection)list, true);
 
             list = CardLists.getNotKeyword(list, Keyword.INDESTRUCTIBLE);
             if (CardLists.getNotType(list, "Creature").isEmpty()) {
@@ -288,7 +288,7 @@ public class DestroyAi extends SpellAbilityAi {
         } else if (sa.hasParam("Defined")) {
             list = AbilityUtils.getDefinedCards(source, sa.getParam("Defined"), sa);
             if ("WillSkipTurn".equals(logic) && (sa.getHostCard().getController().equals(ai)
-                || ai.getCreaturesInPlay().size() < ai.getWeakestOpponent().getCreaturesInPlay().size()
+                || ai.getCreaturesInPlay().size() < ComputerUtil.getOpponentFor(ai).getCreaturesInPlay().size()
                 || !source.getGame().getPhaseHandler().isPlayerTurn(ai)
                 || ai.getLife() <= 5)) {
                 // Basic ai logic for Lethal Vapors
@@ -296,8 +296,8 @@ public class DestroyAi extends SpellAbilityAi {
             }
 
             if (list.isEmpty()
-                    || !CardLists.filterControlledBy(list, ai).isEmpty()
-                    || CardLists.getNotKeyword(list, Keyword.INDESTRUCTIBLE).isEmpty()) {
+                || !CardLists.filterControlledBy(list, ai).isEmpty()
+                || CardLists.getNotKeyword(list, Keyword.INDESTRUCTIBLE).isEmpty()) {
                 return false;
             }
         }
@@ -342,7 +342,7 @@ public class DestroyAi extends SpellAbilityAi {
             }
 
             // Filter AI-specific targets if provided
-            preferred = ComputerUtil.filterAITgts(sa, ai, preferred, true);
+            preferred = ComputerUtil.filterAITgts(sa, ai, (CardCollection)preferred, true);
 
             for (final Card c : preferred) {
                 list.remove(c);
@@ -400,11 +400,16 @@ public class DestroyAi extends SpellAbilityAi {
                 }
             }
 
-            return sa.getTargets().getNumTargeted() >= tgt.getMinTargets(sa.getHostCard(), sa);
+            if (sa.getTargets().getNumTargeted() < tgt.getMinTargets(sa.getHostCard(), sa)) {
+                return false;
+            }
         } else {
-            return mandatory;
+            if (!mandatory) {
+                return false;
+            }
         }
 
+        return true;
     }
 
     public boolean doLandForLandRemovalLogic(SpellAbility sa, Player ai, Card tgtLand, String logic) {

forge-ai/src/main/java/forge/ai/ability/DestroyAllAi.java

@@ -66,7 +66,7 @@ public class DestroyAllAi extends SpellAbilityAi {
     public boolean doMassRemovalLogic(Player ai, SpellAbility sa) {
         final Card source = sa.getHostCard();
         final String logic = sa.getParamOrDefault("AILogic", "");
-        Player opponent = ai.getWeakestOpponent(); // TODO: how should this AI logic work for multiplayer and getOpponents()?
+        Player opponent = ComputerUtil.getOpponentFor(ai); // TODO: how should this AI logic work for multiplayer and getOpponents()?
 
         final int CREATURE_EVAL_THRESHOLD = 200;
 
@@ -147,7 +147,7 @@ public class DestroyAllAi extends SpellAbilityAi {
             block.assignBlockersForCombat(combat);
 
             if (ComputerUtilCombat.lifeInSeriousDanger(ai, combat)) {
-                return true;
+            	return true;
             }
             return false;
         } // only lands involved
@@ -171,6 +171,7 @@ public class DestroyAllAi extends SpellAbilityAi {
         else if ((ComputerUtilCard.evaluatePermanentList(ailist) + 3) >= ComputerUtilCard.evaluatePermanentList(opplist)) {
             return false;
         }
+
         return true;
     }
 }

forge-ai/src/main/java/forge/ai/ability/DigAi.java

@@ -1,13 +1,9 @@
 package forge.ai.ability;
 
-import com.google.common.base.Predicate;
 import forge.ai.*;
 import forge.game.Game;
 import forge.game.ability.AbilityUtils;
 import forge.game.card.Card;
-import forge.game.card.CardCollection;
-import forge.game.card.CardLists;
-import forge.game.keyword.Keyword;
 import forge.game.phase.PhaseType;
 import forge.game.player.Player;
 import forge.game.player.PlayerActionConfirmMode;
@@ -24,7 +20,7 @@ public class DigAi extends SpellAbilityAi {
     @Override
     protected boolean canPlayAI(Player ai, SpellAbility sa) {
         final Game game = ai.getGame();
-        Player opp = ai.getWeakestOpponent();
+        Player opp = ComputerUtil.getOpponentFor(ai);
         final Card host = sa.getHostCard();
         Player libraryOwner = ai;
 
@@ -46,9 +42,7 @@ public class DigAi extends SpellAbilityAi {
         if ("Never".equals(sa.getParam("AILogic"))) {
             return false;
         } else if ("AtOppEndOfTurn".equals(sa.getParam("AILogic"))) {
-            if (!(game.getPhaseHandler().getNextTurn() == ai && game.getPhaseHandler().is(PhaseType.END_OF_TURN))) {
-                return false;
-            }
+            return game.getPhaseHandler().getNextTurn() == ai && game.getPhaseHandler().is(PhaseType.END_OF_TURN);
         }
 
         // don't deck yourself
@@ -66,8 +60,7 @@ public class DigAi extends SpellAbilityAi {
         }
 
         final String num = sa.getParam("DigNum");
-        final boolean payXLogic = sa.hasParam("AILogic") && sa.getParam("AILogic").startsWith("PayX");
-        if (num != null && (num.equals("X") && host.getSVar(num).equals("Count$xPaid")) || payXLogic) {
+        if (num != null && num.equals("X") && host.getSVar(num).equals("Count$xPaid")) {
             // By default, set PayX here to maximum value.
             if (!(sa instanceof AbilitySub) || host.getSVar("PayX").equals("")) {
                 int manaToSave = 0;
@@ -106,7 +99,7 @@ public class DigAi extends SpellAbilityAi {
 
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         if (sa.usesTargeting()) {
             sa.resetTargets();
             if (mandatory && sa.canTarget(opp)) {
@@ -131,25 +124,6 @@ public class DigAi extends SpellAbilityAi {
     
     @Override
     public Card chooseSingleCard(Player ai, SpellAbility sa, Iterable<Card> valid, boolean isOptional, Player relatedPlayer) {
-        if ("DigForCreature".equals(sa.getParam("AILogic"))) {
-            Card bestChoice = ComputerUtilCard.getBestCreatureAI(valid);
-            if (bestChoice == null) {
-                // no creatures, but maybe there's a morphable card that can be played as a creature?
-                CardCollection morphs = CardLists.filter(valid, new Predicate<Card>() {
-                    @Override
-                    public boolean apply(Card card) {
-                        return card.hasKeyword(Keyword.MORPH);
-                    }
-                });
-                if (!morphs.isEmpty()) {
-                    bestChoice = ComputerUtilCard.getBestAI(morphs);
-                }
-            }
-
-            // still nothing, so return the worst card since it'll be unplayable from exile (e.g. Vivien, Champion of the Wilds)
-            return bestChoice != null ? bestChoice : ComputerUtilCard.getWorstAI(valid);
-        }
-
         if (sa.getActivatingPlayer().isOpponentOf(ai) && relatedPlayer.isOpponentOf(ai)) {
             return ComputerUtilCard.getWorstPermanentAI(valid, false, true, false, false);
         } else {

forge-ai/src/main/java/forge/ai/ability/DigMultipleAi.java

@@ -1,101 +0,0 @@
-package forge.ai.ability;
-
-import forge.ai.ComputerUtil;
-import forge.ai.SpellAbilityAi;
-import forge.game.Game;
-import forge.game.ability.AbilityUtils;
-import forge.game.card.Card;
-import forge.game.phase.PhaseType;
-import forge.game.player.Player;
-import forge.game.player.PlayerActionConfirmMode;
-import forge.game.spellability.SpellAbility;
-import forge.game.zone.ZoneType;
-
-
-public class DigMultipleAi extends SpellAbilityAi {
-    /* (non-Javadoc)
-     * @see forge.card.abilityfactory.SpellAiLogic#canPlayAI(forge.game.player.Player, java.util.Map, forge.card.spellability.SpellAbility)
-     */
-    @Override
-    protected boolean canPlayAI(Player ai, SpellAbility sa) {
-        final Game game = ai.getGame();
-        Player opp = ai.getWeakestOpponent();
-        final Card host = sa.getHostCard();
-        Player libraryOwner = ai;
-
-        if (sa.usesTargeting()) {
-            sa.resetTargets();
-            if (!opp.canBeTargetedBy(sa)) {
-                return false;
-            } else {
-                sa.getTargets().add(opp);
-            }
-            libraryOwner = opp;
-        }
-
-        // return false if nothing to dig into
-        if (libraryOwner.getCardsIn(ZoneType.Library).isEmpty()) {
-            return false;
-        }
-
-        if ("Never".equals(sa.getParam("AILogic"))) {
-            return false;
-        } else if ("AtOppEndOfTurn".equals(sa.getParam("AILogic"))) {
-            if (!(game.getPhaseHandler().getNextTurn() == ai && game.getPhaseHandler().is(PhaseType.END_OF_TURN))) {
-                return false;
-            }
-        }
-
-        // don't deck yourself
-        if (sa.hasParam("DestinationZone2") && !"Library".equals(sa.getParam("DestinationZone2"))) {
-            int numToDig = AbilityUtils.calculateAmount(host, sa.getParam("DigNum"), sa);
-            if (libraryOwner == ai && ai.getCardsIn(ZoneType.Library).size() <= numToDig + 2) {
-                return false;
-            }
-        }
-
-        // Don't use draw abilities before main 2 if possible
-        if (game.getPhaseHandler().getPhase().isBefore(PhaseType.MAIN2) && !sa.hasParam("ActivationPhases")
-                && !sa.hasParam("DestinationZone") && !ComputerUtil.castSpellInMain1(ai, sa)) {
-            return false;
-        }
-
-        if (SpellAbilityAi.playReusable(ai, sa)) {
-            return true;
-        }
-
-        if ((!game.getPhaseHandler().getNextTurn().equals(ai)
-                || game.getPhaseHandler().getPhase().isBefore(PhaseType.END_OF_TURN))
-                && !sa.hasParam("PlayerTurn") && !SpellAbilityAi.isSorcerySpeed(sa)
-                && (ai.getCardsIn(ZoneType.Hand).size() > 1 || game.getPhaseHandler().getPhase().isBefore(PhaseType.DRAW))
-                && !ComputerUtil.activateForCost(sa, ai)) {
-            return false;
-        }
-
-        return !ComputerUtil.preventRunAwayActivations(sa);
-    }
-
-    @Override
-    protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        final Player opp = ai.getWeakestOpponent();
-        if (sa.usesTargeting()) {
-            sa.resetTargets();
-            if (mandatory && sa.canTarget(opp)) {
-                sa.getTargets().add(opp);
-            } else if (mandatory && sa.canTarget(ai)) {
-                sa.getTargets().add(ai);
-            }
-        }
-
-        return true;
-    }
-
-    /* (non-Javadoc)
-     * @see forge.card.ability.SpellAbilityAi#confirmAction(forge.card.spellability.SpellAbility, forge.game.player.PlayerActionConfirmMode, java.lang.String)
-     */
-    @Override
-    public boolean confirmAction(Player player, SpellAbility sa, PlayerActionConfirmMode mode, String message) {
-        return true;
-    }
-}
-

forge-ai/src/main/java/forge/ai/ability/DigUntilAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilMana;
 import forge.ai.SpellAbilityAi;
 import forge.game.card.Card;
@@ -35,7 +36,7 @@ public class DigUntilAi extends SpellAbilityAi {
         final boolean randomReturn = MyRandom.getRandom().nextFloat() <= Math.pow(chance, sa.getActivationsThisTurn() + 1);
 
         Player libraryOwner = ai;
-        Player opp = ai.getWeakestOpponent();
+        Player opp = ComputerUtil.getOpponentFor(ai);
 
         if ("DontMillSelf".equals(logic)) {
             // A card that digs for specific things and puts everything revealed before it into graveyard

forge-ai/src/main/java/forge/ai/ability/DiscardAi.java

@@ -56,7 +56,7 @@ public class DiscardAi extends SpellAbilityAi {
             return SpecialCardAi.VolrathsShapeshifter.consider(ai, sa);
         }
 
-        final boolean humanHasHand = ai.getWeakestOpponent().getCardsIn(ZoneType.Hand).size() > 0;
+        final boolean humanHasHand = ComputerUtil.getOpponentFor(ai).getCardsIn(ZoneType.Hand).size() > 0;
 
         if (tgt != null) {
             if (!discardTargetAI(ai, sa)) {
@@ -87,7 +87,7 @@ public class DiscardAi extends SpellAbilityAi {
         if (sa.hasParam("NumCards")) {
            if (sa.getParam("NumCards").equals("X") && source.getSVar("X").equals("Count$xPaid")) {
                 // Set PayX here to maximum value.
-                final int cardsToDiscard = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), ai.getWeakestOpponent()
+                final int cardsToDiscard = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), ComputerUtil.getOpponentFor(ai)
                         .getCardsIn(ZoneType.Hand).size());
                 if (cardsToDiscard < 1) {
                     return false;
@@ -150,17 +150,14 @@ public class DiscardAi extends SpellAbilityAi {
 
     private boolean discardTargetAI(final Player ai, final SpellAbility sa) {
         final TargetRestrictions tgt = sa.getTargetRestrictions();
-        for (Player opp : ai.getOpponents()) {
-            if (opp.getCardsIn(ZoneType.Hand).isEmpty() && !ComputerUtil.activateForCost(sa, ai)) {
-                continue;
-            } else if (!opp.canDiscardBy(sa)) { // e.g. Tamiyo, Collector of Tales
-                continue;
-            }
-            if (tgt != null) {
-                if (sa.canTarget(opp)) {
-                    sa.getTargets().add(opp);
-                    return true;
-                }
+        Player opp = ComputerUtil.getOpponentFor(ai);
+        if (opp.getCardsIn(ZoneType.Hand).isEmpty() && !ComputerUtil.activateForCost(sa, ai)) {
+            return false;
+        }
+        if (tgt != null) {
+            if (sa.canTarget(opp)) {
+                sa.getTargets().add(opp);
+                return true;
             }
         }
         return false;
@@ -172,7 +169,7 @@ public class DiscardAi extends SpellAbilityAi {
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt != null) {
-            Player opp = ai.getWeakestOpponent();
+            Player opp = ComputerUtil.getOpponentFor(ai);
             if (!discardTargetAI(ai, sa)) {
                 if (mandatory && sa.canTarget(opp)) {
                     sa.getTargets().add(opp);
@@ -193,7 +190,7 @@ public class DiscardAi extends SpellAbilityAi {
             }
             if ("X".equals(sa.getParam("RevealNumber")) && sa.getHostCard().getSVar("X").equals("Count$xPaid")) {
                 // Set PayX here to maximum value.
-                final int cardsToDiscard = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), ai.getWeakestOpponent()
+                final int cardsToDiscard = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), ComputerUtil.getOpponentFor(ai)
                         .getCardsIn(ZoneType.Hand).size());
                 sa.getHostCard().setSVar("PayX", Integer.toString(cardsToDiscard));
             }

forge-ai/src/main/java/forge/ai/ability/DrainManaAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.ability.AbilityUtils;
 import forge.game.card.Card;
@@ -18,7 +19,7 @@ public class DrainManaAi extends SpellAbilityAi {
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         final Card source = sa.getHostCard();
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         boolean randomReturn = MyRandom.getRandom().nextFloat() <= Math.pow(.6667, sa.getActivationsThisTurn());
 
         if (tgt == null) {
@@ -40,7 +41,7 @@ public class DrainManaAi extends SpellAbilityAi {
 
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         final Card source = sa.getHostCard();
@@ -51,9 +52,12 @@ public class DrainManaAi extends SpellAbilityAi {
             } else {
                 final List<Player> defined = AbilityUtils.getDefinedPlayers(source, sa.getParam("Defined"), sa);
 
-                return defined.contains(opp);
+                if (!defined.contains(opp)) {
+                    return false;
+                }
             }
 
+            return true;
         } else {
             sa.resetTargets();
             sa.getTargets().add(opp);
@@ -78,7 +82,7 @@ public class DrainManaAi extends SpellAbilityAi {
             }
         } else {
             sa.resetTargets();
-            sa.getTargets().add(ai.getWeakestOpponent());
+            sa.getTargets().add(ComputerUtil.getOpponentFor(ai));
         }
 
         return randomReturn;

forge-ai/src/main/java/forge/ai/ability/DrawAi.java

@@ -69,7 +69,7 @@ public class DrawAi extends SpellAbilityAi {
         }
 
         if (!canLoot(ai, sa)) {
-            return false;
+                return false;
         }
         return true;
     }
@@ -107,7 +107,7 @@ public class DrawAi extends SpellAbilityAi {
             }
         }
 
-        if (!ComputerUtilCost.checkRemoveCounterCost(cost, source, sa)) {
+        if (!ComputerUtilCost.checkRemoveCounterCost(cost, source)) {
             return false;
         }
 
@@ -211,11 +211,9 @@ public class DrawAi extends SpellAbilityAi {
 
     private boolean targetAI(final Player ai, final SpellAbility sa, final boolean mandatory) {
         final Card source = sa.getHostCard();
+        final boolean drawback = sa.getParent() != null;
         final Game game = ai.getGame();
         final String logic = sa.getParamOrDefault("AILogic", "");
-        final boolean considerPrimary = logic.equals("ConsiderPrimary");
-        final boolean drawback = (sa.getParent() != null) && !considerPrimary;
-        boolean assumeSafeX = false; // if true, the AI will assume that the X value has been set to a value that is safe to draw
 
         int computerHandSize = ai.getCardsIn(ZoneType.Hand).size();
         final int computerLibrarySize = ai.getCardsIn(ZoneType.Library).size();
@@ -243,12 +241,7 @@ public class DrawAi extends SpellAbilityAi {
                     numCards = Integer.parseInt(source.getSVar("PayX"));
                 } else {
                     numCards = ComputerUtilMana.determineLeftoverMana(sa, ai);
-                    // try not to overdraw
-                    int safeDraw = Math.min(computerMaxHandSize - computerHandSize, computerLibrarySize - 3);
-                    if (sa.getHostCard().isInstant() || sa.getHostCard().isSorcery()) { safeDraw++; } // card will be spent
-                    numCards = Math.min(numCards, safeDraw);
                     source.setSVar("PayX", Integer.toString(numCards));
-                    assumeSafeX = true;
                 }
                 xPaid = true;
             }
@@ -409,7 +402,7 @@ public class DrawAi extends SpellAbilityAi {
                 if (computerHandSize + numCards > computerMaxHandSize && game.getPhaseHandler().isPlayerTurn(ai)) {
                     if (xPaid) {
                         numCards = computerMaxHandSize - computerHandSize;
-                        if (sa.getHostCard().isInZone(ZoneType.Hand)) {
+                        if (sa.getHostCard().getZone().is(ZoneType.Hand)) {
                             numCards++; // the card will be spent
                         }
                         source.setSVar("PayX", Integer.toString(numCards));
@@ -499,8 +492,7 @@ public class DrawAi extends SpellAbilityAi {
 
             if ((computerHandSize + numCards > computerMaxHandSize)
                     && game.getPhaseHandler().isPlayerTurn(ai)
-                    && !sa.isTrigger()
-                    && !assumeSafeX) {
+                    && !sa.isTrigger()) {
                 // Don't draw too many cards and then risk discarding cards at
                 // EOT
                 if (!drawback) {

forge-ai/src/main/java/forge/ai/ability/EffectAi.java

@@ -9,6 +9,7 @@ import com.google.common.collect.Iterables;
 import forge.ai.*;
 import forge.card.mana.ManaCost;
 import forge.game.Game;
+import forge.game.GlobalRuleChange;
 import forge.game.ability.ApiType;
 import forge.game.card.*;
 import forge.game.combat.CombatUtil;
@@ -266,7 +267,7 @@ public class EffectAi extends SpellAbilityAi {
                 final SpellAbility saTop = game.getStack().peekAbility();
                 final Card host = saTop.getHostCard();
                 if (saTop.getActivatingPlayer() != ai   // from opponent
-                        && host.canDamagePrevented(false)  // no prevent damage
+                        && !game.getStaticEffects().getGlobalRuleChange(GlobalRuleChange.noPrevention)  // no prevent damage
                         && host != null && (host.isInstant() || host.isSorcery())
                         && !host.hasKeyword("Prevent all damage that would be dealt by CARDNAME.")) {  // valid target
                     final ApiType type = saTop.getApi();
@@ -282,7 +283,11 @@ public class EffectAi extends SpellAbilityAi {
                     return false;
                 }
                 final SpellAbility topStack = game.getStack().peekAbility();
-                return topStack.getActivatingPlayer().isOpponentOf(ai) && topStack.getApi() == ApiType.GainLife;
+                if (topStack.getActivatingPlayer().isOpponentOf(ai) && topStack.getApi() == ApiType.GainLife) {
+                	return true;
+                } else {
+                	return false;
+                }
             } else if (logic.equals("Fight")) {
                 return FightAi.canFightAi(ai, sa, 0, 0);
             } else if (logic.equals("Burn")) {
@@ -296,9 +301,11 @@ public class EffectAi extends SpellAbilityAi {
                     return false;
                 }
                 if (logic.contains(":")) {
-                    String[] k = logic.split(":");
+                    String k[] = logic.split(":");
                     Integer i = Integer.valueOf(k[1]);
-                    return ai.getCreaturesInPlay().size() >= i;
+                    if (ai.getCreaturesInPlay().size() < i) {
+                        return false;
+                    }
                 }
                 return true;
             } else if (logic.equals("CastFromGraveThisTurn")) {

forge-ai/src/main/java/forge/ai/ability/FightAi.java

@@ -108,10 +108,6 @@ public class FightAi extends SpellAbilityAi {
 
     @Override
     public boolean chkAIDrawback(final SpellAbility sa, final Player aiPlayer) {
-        if ("Always".equals(sa.getParam("AILogic"))) {
-            return true; // e.g. Hunt the Weak, the AI logic was already checked through canFightAi
-        }
-
         return checkApiLogic(aiPlayer, sa);
     }
 
@@ -196,36 +192,13 @@ public class FightAi extends SpellAbilityAi {
                     toughness += bonus;
                 }
                 if ("PowerDmg".equals(sa.getParam("AILogic"))) {
-                    if ("2".equals(sa.getParam("TargetMax"))) {
-                        // Band Together, uses up to two targets to deal damage to a single target
-                        // TODO: Generalize this so that other TargetMax values can be properly accounted for
-                        CardCollection aiCreaturesByPower = new CardCollection(aiCreatures);
-                        CardLists.sortByPowerDesc(aiCreaturesByPower);
-                        Card maxPower = aiCreaturesByPower.getFirst();
-                        if (maxPower != null && maxPower != aiCreature) {
-                            power += maxPower.getNetPower(); // potential bonus from adding a second target
-                        }
-                        if (FightAi.canKill(aiCreature, humanCreature, power)) {
-                            sa.getTargets().add(aiCreature);
-                            if (maxPower != null) {
-                                sa.getTargets().add(maxPower);
-                            }
-                            if (!isChandrasIgnition) {
-                                tgtFight.resetTargets();
-                                tgtFight.getTargets().add(humanCreature);
-                            }
-                            return true;
-                        }
-                    } else {
-                        // Other cards that use AILogic PowerDmg and a single target
-                        if (FightAi.canKill(aiCreature, humanCreature, power)) {
-                            sa.getTargets().add(aiCreature);
-                            if (!isChandrasIgnition) {
-                                tgtFight.resetTargets();
-                                tgtFight.getTargets().add(humanCreature);
-                            }
-                            return true;
+                    if (FightAi.canKill(aiCreature, humanCreature, power)) {
+                        sa.getTargets().add(aiCreature);
+                        if (!isChandrasIgnition) {
+                            tgtFight.resetTargets();
+                            tgtFight.getTargets().add(humanCreature);
                         }
+                        return true;
                     }
                 } else {
                     if (FightAi.shouldFight(aiCreature, humanCreature, power, toughness)) {
@@ -273,10 +246,10 @@ public class FightAi extends SpellAbilityAi {
     		if (!canKill(opponent, fighter, -pumpDefense)) {	// can survive
     			return true;
     		} else {
-                if (MyRandom.getRandom().nextInt(20)<(opponent.getCMC() - fighter.getCMC())) {	// trade
-                    return true;
-                }
-            }
+    			if (MyRandom.getRandom().nextInt(20)<(opponent.getCMC() - fighter.getCMC())) {	// trade
+    				return true;
+    			}
+    		}
     	}
     	return false;
     }

forge-ai/src/main/java/forge/ai/ability/FlipACoinAi.java

@@ -20,9 +20,9 @@ public class FlipACoinAi extends SpellAbilityAi {
             if (AILogic.equals("Never")) {
                 return false;
             } else if (AILogic.equals("PhaseOut")) {
-                if (!ComputerUtil.predictThreatenedObjects(sa.getActivatingPlayer(), sa).contains(sa.getHostCard())) {
+            	if (!ComputerUtil.predictThreatenedObjects(sa.getActivatingPlayer(), sa).contains(sa.getHostCard())) {
                     return false;
-                }
+            	}
             } else if (AILogic.equals("KillOrcs")) {
             	if (ai.getGame().getPhaseHandler().getPhase().isBefore(PhaseType.END_OF_TURN) ) {
                     return false;

forge-ai/src/main/java/forge/ai/ability/FogAi.java

@@ -107,7 +107,7 @@ public class FogAi extends SpellAbilityAi {
     protected boolean doTriggerAINoCost(Player aiPlayer, SpellAbility sa, boolean mandatory) {
         final Game game = aiPlayer.getGame();
         boolean chance;
-        if (game.getPhaseHandler().isPlayerTurn(sa.getActivatingPlayer().getWeakestOpponent())) {
+        if (game.getPhaseHandler().isPlayerTurn(ComputerUtil.getOpponentFor(sa.getActivatingPlayer()))) {
             chance = game.getPhaseHandler().getPhase().isBefore(PhaseType.COMBAT_FIRST_STRIKE_DAMAGE);
         } else {
             chance = game.getPhaseHandler().getPhase().isAfter(PhaseType.COMBAT_DAMAGE);

forge-ai/src/main/java/forge/ai/ability/GameLossAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
@@ -8,7 +9,7 @@ import forge.game.spellability.TargetRestrictions;
 public class GameLossAi extends SpellAbilityAi {
     @Override
     protected boolean canPlayAI(Player ai, SpellAbility sa) {
-        final Player opp = ai.getWeakestOpponent();
+        final Player opp = ComputerUtil.getOpponentFor(ai);
         if (opp.cantLose()) {
             return false;
         }
@@ -33,16 +34,15 @@ public class GameLossAi extends SpellAbilityAi {
         // Phage the Untouchable
         // (Final Fortune would need to attach it's delayed trigger to a
         // specific turn, which can't be done yet)
-        Player opp = ai.getWeakestOpponent();
 
-        if (!mandatory && opp.cantLose()) {
+        if (!mandatory && ComputerUtil.getOpponentFor(ai).cantLose()) {
             return false;
         }
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
         if (tgt != null) {
             sa.resetTargets();
-            sa.getTargets().add(opp);
+            sa.getTargets().add(ComputerUtil.getOpponentFor(ai));
         }
 
         return true;

forge-ai/src/main/java/forge/ai/ability/GameWinAi.java

@@ -11,7 +11,9 @@ public class GameWinAi extends SpellAbilityAi {
      */
     @Override
     protected boolean canPlayAI(Player ai, SpellAbility sa) {
-        return !ai.cantWin();
+        if (ai.cantWin()) {
+            return false;
+        }
 
         // TODO Check conditions are met on card (e.g. Coalition Victory)
 
@@ -19,6 +21,7 @@ public class GameWinAi extends SpellAbilityAi {
 
         // In general, don't return true.
         // But this card wins the game, I can make an exception for that
+        return true;
     }
 
     @Override

forge-ai/src/main/java/forge/ai/ability/LifeExchangeAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.SpellAbilityAi;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
@@ -19,7 +20,7 @@ public class LifeExchangeAi extends SpellAbilityAi {
     @Override
     protected boolean canPlayAI(Player aiPlayer, SpellAbility sa) {
         final int myLife = aiPlayer.getLife();
-        Player opponent = aiPlayer.getWeakestOpponent();
+        Player opponent = ComputerUtil.getOpponentFor(aiPlayer);
         final int hLife = opponent.getLife();
 
         if (!aiPlayer.canGainLife()) {
@@ -75,7 +76,7 @@ public class LifeExchangeAi extends SpellAbilityAi {
     final boolean mandatory) {
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
-        Player opp = ai.getWeakestOpponent();
+        Player opp = ComputerUtil.getOpponentFor(ai);
         if (tgt != null) {
             sa.resetTargets();
             if (sa.canTarget(opp) && (mandatory || ai.getLife() < opp.getLife())) {

forge-ai/src/main/java/forge/ai/ability/LifeExchangeVariantAi.java

@@ -149,7 +149,7 @@ public class LifeExchangeVariantAi extends SpellAbilityAi {
     final boolean mandatory) {
 
         final TargetRestrictions tgt = sa.getTargetRestrictions();
-        Player opp = ai.getWeakestOpponent();
+        Player opp = ComputerUtil.getOpponentFor(ai);
         if (tgt != null) {
             sa.resetTargets();
             if (sa.canTarget(opp) && (mandatory || ai.getLife() < opp.getLife())) {

forge-ai/src/main/java/forge/ai/ability/LifeGainAi.java

@@ -106,9 +106,13 @@ public class LifeGainAi extends SpellAbilityAi {
             return false;
         }
 
-        return lifeCritical || activateForCost
-                || (ph.getNextTurn().equals(ai) && !ph.getPhase().isBefore(PhaseType.END_OF_TURN))
-                || sa.hasParam("PlayerTurn") || SpellAbilityAi.isSorcerySpeed(sa);
+        if (!lifeCritical && !activateForCost
+                && (!ph.getNextTurn().equals(ai) || ph.getPhase().isBefore(PhaseType.END_OF_TURN))
+                && !sa.hasParam("PlayerTurn") && !SpellAbilityAi.isSorcerySpeed(sa)) {
+            return false;
+        }
+
+        return true;
     }
 
     /*
@@ -300,7 +304,9 @@ public class LifeGainAi extends SpellAbilityAi {
                     hasTgt = true;
                 }
             }
-            return hasTgt;
+            if (!hasTgt) {
+                return false;
+            }
         }
         return true;
     }

forge-ai/src/main/java/forge/ai/ability/LifeLoseAi.java

@@ -51,11 +51,6 @@ public class LifeLoseAi extends SpellAbilityAi {
         if (tgtPlayers.contains(ai) && amount > 0 && amount + 3 > ai.getLife()) {
             return false;
         }
-
-        if (sa.usesTargeting()) {
-            return doTgt(ai, sa, false);
-        }
-
         return true;
     }
 
@@ -182,11 +177,15 @@ public class LifeLoseAi extends SpellAbilityAi {
         }
 
         final List<Player> tgtPlayers = sa.usesTargeting() && !sa.hasParam("Defined")
-                ? new FCollection<>(sa.getTargets().getTargetPlayers())
+                ? new FCollection<Player>(sa.getTargets().getTargetPlayers()) 
                 : AbilityUtils.getDefinedPlayers(sa.getHostCard(), sa.getParam("Defined"), sa);
 
-        // For cards like Foul Imp, ETB you lose life
-        return mandatory || !tgtPlayers.contains(ai) || amount <= 0 || amount + 3 <= ai.getLife();
+        if (!mandatory && tgtPlayers.contains(ai) && amount > 0 && amount + 3 > ai.getLife()) {
+            // For cards like Foul Imp, ETB you lose life
+            return false;
+        }
+
+        return true;
     }
 
     protected boolean doTgt(Player ai, SpellAbility sa, boolean mandatory) {

forge-ai/src/main/java/forge/ai/ability/LifeSetAi.java

@@ -1,5 +1,6 @@
 package forge.ai.ability;
 
+import forge.ai.ComputerUtil;
 import forge.ai.ComputerUtilAbility;
 import forge.ai.ComputerUtilMana;
 import forge.ai.SpellAbilityAi;
@@ -19,7 +20,7 @@ public class LifeSetAi extends SpellAbilityAi {
         // Ability_Cost abCost = sa.getPayCosts();
         final Card source = sa.getHostCard();
         final int myLife = ai.getLife();
-        final Player opponent = ai.getWeakestOpponent();
+        final Player opponent = ComputerUtil.getOpponentFor(ai);
         final int hlife = opponent.getLife();
         final String amountStr = sa.getParam("LifeAmount");
 
@@ -106,7 +107,7 @@ public class LifeSetAi extends SpellAbilityAi {
     @Override
     protected boolean doTriggerAINoCost(Player ai, SpellAbility sa, boolean mandatory) {
         final int myLife = ai.getLife();
-        final Player opponent = ai.getWeakestOpponent();
+        final Player opponent = ComputerUtil.getOpponentFor(ai);
         final int hlife = opponent.getLife();
         final Card source = sa.getHostCard();
         final String sourceName = ComputerUtilAbility.getAbilitySourceName(sa);

forge-ai/src/main/java/forge/ai/ability/ManaEffectAi.java

@@ -81,8 +81,11 @@ public class ManaEffectAi extends SpellAbilityAi {
             return true; // handled elsewhere, does not meet the standard requirements
         }
         
-        return sa.getPayCosts() != null && sa.getPayCosts().hasNoManaCost() && sa.getPayCosts().isReusuableResource()
-                && sa.getSubAbility() == null && ComputerUtil.playImmediately(ai, sa);
+        if (!(sa.getPayCosts() != null && sa.getPayCosts().hasNoManaCost() && sa.getPayCosts().isReusuableResource()
+                && sa.getSubAbility() == null && ComputerUtil.playImmediately(ai, sa))) {
+            return false;
+        }
+        return true;
         // return super.checkApiLogic(ai, sa);
     }
 

forge-ai/src/main/java/forge/ai/ability/ManifestAi.java

@@ -1,17 +1,13 @@
 package forge.ai.ability;
 
-import com.google.common.base.Predicate;
-import com.google.common.collect.Iterables;
+import com.google.common.collect.Maps;
 import forge.ai.ComputerUtil;
-import forge.ai.ComputerUtilCard;
 import forge.ai.ComputerUtilMana;
 import forge.ai.SpellAbilityAi;
+import forge.card.CardStateName;
 import forge.game.Game;
-import forge.game.ability.AbilityKey;
 import forge.game.card.Card;
-import forge.game.card.CardCollection;
 import forge.game.card.CardCollectionView;
-import forge.game.card.CardLists;
 import forge.game.card.CardUtil;
 import forge.game.phase.PhaseHandler;
 import forge.game.phase.PhaseType;
@@ -19,7 +15,6 @@ import forge.game.player.Player;
 import forge.game.player.PlayerActionConfirmMode;
 import forge.game.replacement.ReplacementEffect;
 import forge.game.replacement.ReplacementLayer;
-import forge.game.replacement.ReplacementType;
 import forge.game.spellability.SpellAbility;
 import forge.game.zone.ZoneType;
 import forge.util.MyRandom;
@@ -89,79 +84,61 @@ public class ManifestAi extends SpellAbilityAi {
         return true;
     }
 
-    static boolean shouldManyfest(final Card card, final Player ai, final SpellAbility sa) {
-        final Game game = ai.getGame();
-        // check to ensure that there are no replacement effects that prevent creatures ETBing from library
-        // (e.g. Grafdigger's Cage)
-        Card topCopy = CardUtil.getLKICopy(card);
-        topCopy.turnFaceDownNoUpdate();
-        topCopy.setManifested(true);
-
-        final Map<AbilityKey, Object> repParams = AbilityKey.mapFromAffected(topCopy);
-        repParams.put(AbilityKey.Origin, card.getZone().getZoneType());
-        repParams.put(AbilityKey.Destination, ZoneType.Battlefield);
-        repParams.put(AbilityKey.Source, sa.getHostCard());
-        List<ReplacementEffect> list = game.getReplacementHandler().getReplacementList(ReplacementType.Moved, repParams, ReplacementLayer.Other);
-        if (!list.isEmpty()) {
-            return false;
-        }
-
-        if (card.mayPlayerLook(ai)) {
-            // try to avoid manifest a non Permanent
-            if (!card.isPermanent())
-                return false;
-
-            // do not manifest a card with X in its cost
-            if (card.getManaCost().countX() > 0)
-                return false;
-
-            // try to avoid manifesting a creature with zero or less thoughness
-            if (card.isCreature() && card.getNetToughness() <= 0)
-                return false;
-
-            // card has ETBTrigger or ETBReplacement
-            if (card.hasETBTrigger(false) || card.hasETBReplacement()) {
-                return false;
-            }
-        }
-        return true;
-    }
-
     @Override
     protected boolean checkApiLogic(final Player ai, final SpellAbility sa) {
         final Game game = ai.getGame();
-        final Card host = sa.getHostCard();
         if (ComputerUtil.preventRunAwayActivations(sa)) {
             return false;
         }
 
-        if (sa.hasParam("Choices") || sa.hasParam("ChoiceZone")) {
-            ZoneType choiceZone = ZoneType.Hand;
-            if (sa.hasParam("ChoiceZone")) {
-                choiceZone = ZoneType.smartValueOf(sa.getParam("ChoiceZone"));
-            }
-            CardCollection choices = new CardCollection(game.getCardsIn(choiceZone));
-            if (sa.hasParam("Choices")) {
-                choices = CardLists.getValidCards(choices, sa.getParam("Choices"), ai, host);
-            }
-            if (choices.isEmpty()) {
-                return false;
-            }
-        } else {
-            // Library is empty, no Manifest
-            final CardCollectionView library = ai.getCardsIn(ZoneType.Library);
-            if (library.isEmpty())
+        // Library is empty, no Manifest
+        final CardCollectionView library = ai.getCardsIn(ZoneType.Library);
+        if (library.isEmpty())
+            return false;
+
+        // try not to mill himself with Manifest
+        if (library.size() < 5 && !ai.isCardInPlay("Laboratory Maniac")) {
+            return false;
+        }
+
+        // check to ensure that there are no replacement effects that prevent creatures ETBing from library
+        // (e.g. Grafdigger's Cage)
+        Card topCopy = CardUtil.getLKICopy(library.getFirst());
+        topCopy.setState(CardStateName.FaceDown, false);
+        topCopy.setManifested(true);
+
+        final Map<String, Object> repParams = Maps.newHashMap();
+        repParams.put("Event", "Moved");
+        repParams.put("Affected", topCopy);
+        repParams.put("Origin", ZoneType.Library);
+        repParams.put("Destination", ZoneType.Battlefield);
+        repParams.put("Source", sa.getHostCard());
+        List<ReplacementEffect> list = game.getReplacementHandler().getReplacementList(repParams, ReplacementLayer.None);
+        if (!list.isEmpty()) {
+            return false;
+        }
+
+        // if the AI can see the top card of the library, check it
+        final Card topCard = library.getFirst();
+        if (topCard.mayPlayerLook(ai)) {
+            // try to avoid manifest a non Permanent
+            if (!topCard.isPermanent())
                 return false;
 
-            // try not to mill himself with Manifest
-            if (library.size() < 5 && !ai.isCardInPlay("Laboratory Maniac")) {
+            // do not manifest a card with X in its cost
+            if (topCard.getManaCost().countX() > 0)
                 return false;
-            }
 
-            if (!shouldManyfest(library.getFirst(), ai, sa)) {
+            // try to avoid manifesting a creature with zero or less thoughness
+            if (topCard.isCreature() && topCard.getNetToughness() <= 0)
+                return false;
+
+            // card has ETBTrigger or ETBReplacement
+            if (topCard.hasETBTrigger(false) || topCard.hasETBReplacement()) {
                 return false;
             }
         }
+
         // Probably should be a little more discerning on playing during OPPs turn
         if (SpellAbilityAi.playReusable(ai, sa)) {
             return true;
@@ -176,23 +153,4 @@ public class ManifestAi extends SpellAbilityAi {
 
         return MyRandom.getRandom().nextFloat() < .8;
     }
-
-    protected Card chooseSingleCard(final Player ai, final SpellAbility sa, Iterable<Card> options, boolean isOptional, Player targetedPlayer) {
-        if (Iterables.size(options) <= 1) {
-            return Iterables.getFirst(options, null);
-        }
-        CardCollection filtered = CardLists.filter(options, new Predicate<Card>() {
-            @Override
-            public boolean apply(Card input) {
-                return !shouldManyfest(input, ai, sa);
-            }
-        });
-        if (!filtered.isEmpty()) {
-            return ComputerUtilCard.getBestAI(filtered);
-        }
-        if (isOptional) {
-            return null;
-        }
-        return Iterables.getFirst(options, null);
-    }
 }

forge-ai/src/main/java/forge/ai/ability/MillAi.java

@@ -31,13 +31,19 @@ public class MillAi extends SpellAbilityAi {
         PhaseHandler ph = ai.getGame().getPhaseHandler();
 
         if (aiLogic.equals("Main1")) {
-            return !ph.getPhase().isBefore(PhaseType.MAIN2) || sa.hasParam("ActivationPhases")
-                    || ComputerUtil.castSpellInMain1(ai, sa);
+            if (ph.getPhase().isBefore(PhaseType.MAIN2) && !sa.hasParam("ActivationPhases")
+                    && !ComputerUtil.castSpellInMain1(ai, sa)) {
+                return false;
+            }
         } else if (aiLogic.equals("EndOfOppTurn")) {
-            return ph.is(PhaseType.END_OF_TURN) && ph.getNextTurn().equals(ai);
+            if (!(ph.is(PhaseType.END_OF_TURN) && ph.getNextTurn().equals(ai))) {
+                return false;
+            }
         } else if (aiLogic.equals("LilianaMill")) {
             // Only mill if a "Raise Dead" target is available, in case of control decks with few creatures
-            return CardLists.filter(ai.getCardsIn(ZoneType.Graveyard), CardPredicates.Presets.CREATURES).size() >= 1;
+            if (CardLists.filter(ai.getCardsIn(ZoneType.Graveyard), CardPredicates.Presets.CREATURES).size() < 1) {
+                return false;
+            }
         }
         return true;
     }
@@ -56,9 +62,11 @@ public class MillAi extends SpellAbilityAi {
             }
         }
         if (sa.getHostCard().isCreature() && sa.getPayCosts().hasTapCost()) {
-            // creatures with a tap cost to mill (e.g. Doorkeeper) should be activated at the opponent's end step
-            // because they are also potentially useful for combat
-            return ph.is(PhaseType.END_OF_TURN) && ph.getNextTurn().equals(ai);
+            if (!(ph.is(PhaseType.END_OF_TURN) && ph.getNextTurn().equals(ai))) {
+                // creatures with a tap cost to mill (e.g. Doorkeeper) should be activated at the opponent's end step
+                // because they are also potentially useful for combat
+                return false;
+            }
         }
         return true;
     }
@@ -92,7 +100,9 @@ public class MillAi extends SpellAbilityAi {
             // Set PayX here to maximum value.
             final int cardsToDiscard = getNumToDiscard(ai, sa);
             source.setSVar("PayX", Integer.toString(cardsToDiscard));
-            return cardsToDiscard > 0;
+            if (cardsToDiscard <= 0) {
+                return false;
+            }
         }
         return true;
     }

forge-ai/src/main/java/forge/ai/ability/MustBlockAi.java

@@ -95,7 +95,7 @@ public class MustBlockAi extends SpellAbilityAi {
         boolean chance = false;
 
         if (abTgt != null) {
-            final List<Card> list = determineGoodBlockers(definedAttacker, ai, ai.getWeakestOpponent(), sa, true,true);
+            final List<Card> list = determineGoodBlockers(definedAttacker, ai, ComputerUtil.getOpponentFor(ai), sa, true,true);
             if (list.isEmpty()) {
                 return false;
             }

forge-ai/src/main/java/forge/ai/ability/PeekAndRevealAi.java

@@ -24,10 +24,10 @@ public class PeekAndRevealAi extends SpellAbilityAi {
             return false;
         }
         if ("Main2".equals(sa.getParam("AILogic"))) {
-            if (aiPlayer.getGame().getPhaseHandler().getPhase().isBefore(PhaseType.MAIN2)) {
-                return false;
-            }
-        }
+        	if (aiPlayer.getGame().getPhaseHandler().getPhase().isBefore(PhaseType.MAIN2)) {
+        		return false;
+    		}
+    	}
         // So far this only appears on Triggers, but will expand
         // once things get converted from Dig + NoMove
         return true;

forge-ai/src/main/java/forge/ai/ability/PermanentAi.java

@@ -1,6 +1,5 @@
 package forge.ai.ability;
 
-import forge.game.card.*;
 import org.apache.commons.lang3.StringUtils;
 
 import com.google.common.base.Predicates;
@@ -13,6 +12,10 @@ import forge.card.CardType.Supertype;
 import forge.card.mana.ManaCost;
 import forge.game.Game;
 import forge.game.GlobalRuleChange;
+import forge.game.card.Card;
+import forge.game.card.CardCollection;
+import forge.game.card.CardLists;
+import forge.game.card.CardPredicates;
 import forge.game.cost.Cost;
 import forge.game.keyword.KeywordInterface;
 import forge.game.mana.ManaCostBeingPaid;
@@ -38,7 +41,10 @@ public class PermanentAi extends SpellAbilityAi {
         }
 
         // Wait for Main2 if possible
-        return !ph.is(PhaseType.MAIN1) || !ph.isPlayerTurn(ai) || ComputerUtil.castPermanentInMain1(ai, sa) || sa.hasParam("WithoutManaCost");
+        if (ph.is(PhaseType.MAIN1) && ph.isPlayerTurn(ai) && !ComputerUtil.castPermanentInMain1(ai, sa) && !sa.hasParam("WithoutManaCost")) {
+            return false;
+        }
+        return true;
     }
 
     /**
@@ -192,13 +198,11 @@ public class PermanentAi extends SpellAbilityAi {
                     }
                 } else if (param.startsWith("MaxControlled")) {
                     // Only cast unless there are X or more cards like this on the battlefield under AI control already,
-                    CardCollectionView valid = param.contains("Globally") ? ai.getGame().getCardsIn(ZoneType.Battlefield)
-                            : ai.getCardsIn(ZoneType.Battlefield);
-                    CardCollection ctrld = CardLists.filter(valid, CardPredicates.nameEquals(card.getName()));
+                    CardCollection ctrld = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.nameEquals(card.getName()));
 
                     int numControlled = 0;
                     if (param.endsWith("WithoutOppAuras")) {
-                        // Check that the permanent does not have any auras attached to it by the opponent (this assumes that if
+                        // Check that the permanet does not have any auras attached to it by the opponent (this assumes that if
                         // the opponent cast an aura on the opposing permanent, it's not with good intentions, and thus it might
                         // be better to have a pristine copy of the card - might not always be a correct assumption, but sounds
                         // like a reasonable default for some cards).
@@ -256,7 +260,9 @@ public class PermanentAi extends SpellAbilityAi {
                 }
             }
 
-            return !dontCast;
+            if (dontCast) {
+                return false;
+            } 
         }
         
         return true;

forge-ai/src/main/java/forge/ai/ability/PermanentCreatureAi.java

@@ -40,7 +40,9 @@ public class PermanentCreatureAi extends PermanentAi {
 
             ComputerUtilCard.applyStaticContPT(game, copy, null);
 
-            return copy.getNetToughness() > 0;
+            if (copy.getNetToughness() <= 0) {
+                return false;
+            }
         }
         return true;
     }
@@ -223,9 +225,13 @@ public class PermanentCreatureAi extends PermanentAi {
          */
         final Card copy = CardUtil.getLKICopy(sa.getHostCard());
         ComputerUtilCard.applyStaticContPT(game, copy, null);
-        // AiPlayDecision.WouldBecomeZeroToughnessCreature
-        return copy.getNetToughness() > 0 || copy.hasStartOfKeyword("etbCounter") || mana.countX() != 0
-                || copy.hasETBTrigger(false) || copy.hasETBReplacement() || copy.hasSVar("NoZeroToughnessAI");
+        if (copy.getNetToughness() <= 0 && !copy.hasStartOfKeyword("etbCounter") && mana.countX() == 0
+                && !copy.hasETBTrigger(false) && !copy.hasETBReplacement() && !copy.hasSVar("NoZeroToughnessAI")) {
+            // AiPlayDecision.WouldBecomeZeroToughnessCreature
+            return false;
+        }
+
+        return true;
     }
 
 }

forge-ai/src/main/java/forge/ai/ability/PermanentNoncreatureAi.java

@@ -19,7 +19,10 @@ public class PermanentNoncreatureAi extends PermanentAi {
 
     @Override
     protected boolean checkAiLogic(final Player ai, final SpellAbility sa, final String aiLogic) {
-        return !"Never".equals(aiLogic) && !"DontCast".equals(aiLogic);
+        if ("Never".equals(aiLogic) || "DontCast".equals(aiLogic)) {
+            return false;
+        }
+        return true;
     }
 
     /**
@@ -51,8 +54,10 @@ public class PermanentNoncreatureAi extends PermanentAi {
                 // TODO: consider replacing the condition with host.hasSVar("OblivionRing")
                 targets = CardLists.filterControlledBy(targets, ai.getOpponents());
             }
-            // AiPlayDecision.AnotherTime
-            return !targets.isEmpty();
+            if (targets.isEmpty()) {
+                // AiPlayDecision.AnotherTime
+                return false;
+            }
         }
         return true;
     }