diff --git a/src/main/java/forge/card/abilityfactory/CommonAbility.java b/src/main/java/forge/card/abilityfactory/CommonAbility.java
index a3c4a121601..95c67d49212 100644
--- a/src/main/java/forge/card/abilityfactory/CommonAbility.java
+++ b/src/main/java/forge/card/abilityfactory/CommonAbility.java
@@ -68,7 +68,7 @@ public class CommonAbility extends AbilityActivated {
     }
 
     @Override
-    public boolean doTrigger(final boolean mandatory) {
-        return ai.doTriggerAI((AIPlayer)this.getActivatingPlayer(), this, mandatory);
+    public boolean doTrigger(final boolean mandatory, AIPlayer aiPlayer) {
+        return ai.doTriggerAI(aiPlayer, this, mandatory);
     }
 }
diff --git a/src/main/java/forge/card/abilityfactory/CommonDrawback.java b/src/main/java/forge/card/abilityfactory/CommonDrawback.java
index 4195754fc3d..1a38765f0d4 100644
--- a/src/main/java/forge/card/abilityfactory/CommonDrawback.java
+++ b/src/main/java/forge/card/abilityfactory/CommonDrawback.java
@@ -74,20 +74,20 @@ public class CommonDrawback extends AbilitySub {
         }
 
         @Override
-        public boolean chkAIDrawback() {
-            if (!ai.chkAIDrawback(this, (AIPlayer)getActivatingPlayer())) {
+        public boolean chkAIDrawback(AIPlayer aiPlayer) {
+            if (!ai.chkAIDrawback(this, aiPlayer)) {
                 return false;
             }
             final AbilitySub subAb = getSubAbility();
-            if (subAb != null && !subAb.chkAIDrawback()) {
+            if (subAb != null && !subAb.chkAIDrawback(aiPlayer)) {
                 return false;
             }
             return true;
         }
 
         @Override
-        public boolean doTrigger(final boolean mandatory) {
-            return ai.doTriggerAI((AIPlayer)getActivatingPlayer(), this, mandatory);
+        public boolean doTrigger(final boolean mandatory, AIPlayer aiPlayer) {
+            return ai.doTriggerAI(aiPlayer, this, mandatory);
         }
     }
 
diff --git a/src/main/java/forge/card/abilityfactory/SpellAiLogic.java b/src/main/java/forge/card/abilityfactory/SpellAiLogic.java
index 28ee850a4a2..fbd2f8ca63e 100644
--- a/src/main/java/forge/card/abilityfactory/SpellAiLogic.java
+++ b/src/main/java/forge/card/abilityfactory/SpellAiLogic.java
@@ -10,7 +10,7 @@ public abstract class SpellAiLogic {
 
     public final boolean canPlayAIWithSubs(final AIPlayer aiPlayer, final SpellAbility sa) {
         final AbilitySub subAb = sa.getSubAbility();
-        if (subAb != null && !subAb.chkAIDrawback()) {
+        if (subAb != null && !subAb.chkAIDrawback(aiPlayer)) {
             return false;
         }
         return canPlayAI(aiPlayer, sa);
@@ -32,7 +32,7 @@ public abstract class SpellAiLogic {
             return false;
         }
         final AbilitySub subAb = sa.getSubAbility();
-        if (subAb != null && !subAb.chkAIDrawback() && !mandatory) {
+        if (subAb != null && !subAb.chkAIDrawback(aiPlayer) && !mandatory) {
             return false;
         }
         return true;
diff --git a/src/main/java/forge/card/abilityfactory/ai/ChangeZoneAi.java b/src/main/java/forge/card/abilityfactory/ai/ChangeZoneAi.java
index 40e1eea0eb3..2c7646260b8 100644
--- a/src/main/java/forge/card/abilityfactory/ai/ChangeZoneAi.java
+++ b/src/main/java/forge/card/abilityfactory/ai/ChangeZoneAi.java
@@ -160,7 +160,7 @@ public class ChangeZoneAi extends SpellAiLogic {
      *            a {@link forge.card.spellability.SpellAbility} object.
      * @return a boolean.
      */
-    private static boolean hiddenOriginCanPlayAI(final Player ai, final SpellAbility sa) {
+    private static boolean hiddenOriginCanPlayAI(final AIPlayer ai, final SpellAbility sa) {
         // Fetching should occur fairly often as it helps cast more spells, and
         // have access to more mana
         final Cost abCost = sa.getPayCosts();
@@ -296,7 +296,7 @@ public class ChangeZoneAi extends SpellAiLogic {
 
         final AbilitySub subAb = sa.getSubAbility();
         if (subAb != null) {
-            chance &= subAb.chkAIDrawback();
+            chance &= subAb.chkAIDrawback(ai);
         }
 
         return chance;
@@ -530,7 +530,7 @@ public class ChangeZoneAi extends SpellAiLogic {
      *            a {@link forge.card.spellability.SpellAbility} object.
      * @return a boolean.
      */
-    private static boolean knownOriginCanPlayAI(final Player ai, final SpellAbility sa) {
+    private static boolean knownOriginCanPlayAI(final AIPlayer ai, final SpellAbility sa) {
         // Retrieve either this card, or target Cards in Graveyard
         final Cost abCost = sa.getPayCosts();
         final Card source = sa.getSourceCard();
@@ -630,7 +630,7 @@ public class ChangeZoneAi extends SpellAiLogic {
 
         final AbilitySub subAb = sa.getSubAbility();
         if (subAb != null) {
-            chance &= subAb.chkAIDrawback();
+            chance &= subAb.chkAIDrawback(ai);
         }
 
         return (chance);
@@ -647,7 +647,7 @@ public class ChangeZoneAi extends SpellAiLogic {
      *            a {@link forge.card.spellability.SpellAbility} object.
      * @return a boolean.
      */
-    private static boolean knownOriginPlayDrawbackAI(final Player aiPlayer, final SpellAbility sa) {
+    private static boolean knownOriginPlayDrawbackAI(final AIPlayer aiPlayer, final SpellAbility sa) {
         if (sa.getTarget() == null) {
             return true;
         }
@@ -668,7 +668,7 @@ public class ChangeZoneAi extends SpellAiLogic {
      *            a boolean.
      * @return a boolean.
      */
-    private static boolean isPreferredTarget(final Player ai, final SpellAbility sa,
+    private static boolean isPreferredTarget(final AIPlayer ai, final SpellAbility sa,
             final boolean mandatory) {
         final Card source = sa.getSourceCard();
         final ZoneType origin = ZoneType.listValueOf(sa.getParam("Origin")).get(0);
@@ -1027,7 +1027,7 @@ public class ChangeZoneAi extends SpellAiLogic {
      *            a boolean.
      * @return a boolean.
      */
-    private static boolean knownOriginTriggerAI(final Player ai, final SpellAbility sa,
+    private static boolean knownOriginTriggerAI(final AIPlayer ai, final SpellAbility sa,
             final boolean mandatory) {
 
         if (sa.getTarget() == null) {
diff --git a/src/main/java/forge/card/abilityfactory/ai/CharmAi.java b/src/main/java/forge/card/abilityfactory/ai/CharmAi.java
index 16e88a88153..072d1b0d339 100644
--- a/src/main/java/forge/card/abilityfactory/ai/CharmAi.java
+++ b/src/main/java/forge/card/abilityfactory/ai/CharmAi.java
@@ -33,7 +33,7 @@ public class CharmAi extends SpellAiLogic {
         return r.nextFloat() <= Math.pow(.6667, sa.getActivationsThisTurn());
     }
 
-    public static List<AbilitySub> chooseOptionsAi(final Player ai, boolean playNow, List<AbilitySub> choices, int num, int min) {
+    public static List<AbilitySub> chooseOptionsAi(final AIPlayer ai, boolean playNow, List<AbilitySub> choices, int num, int min) {
         List<AbilitySub> chosenList = new ArrayList<AbilitySub>();
 
         for (int i = 0; i < num; i++) {
@@ -46,7 +46,7 @@ public class CharmAi extends SpellAiLogic {
                     playNow = true;
                     break;
                 }
-                if ((playNow || i < num - 1) && sub.doTrigger(false)) {
+                if ((playNow || i < num - 1) && sub.doTrigger(false, ai)) {
                     thisPick = (AbilitySub) sub;
                     choices.remove(sub);
                     break;
diff --git a/src/main/java/forge/card/abilityfactory/ai/DelayedTriggerAi.java b/src/main/java/forge/card/abilityfactory/ai/DelayedTriggerAi.java
index d2bd283125b..6955b19304d 100644
--- a/src/main/java/forge/card/abilityfactory/ai/DelayedTriggerAi.java
+++ b/src/main/java/forge/card/abilityfactory/ai/DelayedTriggerAi.java
@@ -16,7 +16,7 @@ public class DelayedTriggerAi extends SpellAiLogic {
         trigsa.setActivatingPlayer(ai);
 
         if (trigsa instanceof AbilitySub) {
-            return ((AbilitySub) trigsa).chkAIDrawback();
+            return ((AbilitySub) trigsa).chkAIDrawback(ai);
         } else {
             return trigsa.canPlayAI();
         }
@@ -29,9 +29,9 @@ public class DelayedTriggerAi extends SpellAiLogic {
         trigsa.setActivatingPlayer(ai);
 
         if (!sa.hasParam("OptionalDecider")) {
-            return trigsa.doTrigger(true);
+            return trigsa.doTrigger(true, ai);
         } else {
-            return trigsa.doTrigger(!sa.getParam("OptionalDecider").equals("You"));
+            return trigsa.doTrigger(!sa.getParam("OptionalDecider").equals("You"), ai);
         }
     }
 
diff --git a/src/main/java/forge/card/abilityfactory/effects/CharmEffect.java b/src/main/java/forge/card/abilityfactory/effects/CharmEffect.java
index fa0156995f4..08b568d5587 100644
--- a/src/main/java/forge/card/abilityfactory/effects/CharmEffect.java
+++ b/src/main/java/forge/card/abilityfactory/effects/CharmEffect.java
@@ -8,6 +8,7 @@ import forge.card.abilityfactory.SpellEffect;
 import forge.card.abilityfactory.ai.CharmAi;
 import forge.card.spellability.AbilitySub;
 import forge.card.spellability.SpellAbility;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.gui.GuiChoose;
 
@@ -70,7 +71,7 @@ public class CharmEffect extends SpellEffect {
                 chosen.add(a);
             }
         } else {
-            chosen = CharmAi.chooseOptionsAi(activator, sa.isTrigger(), choices, num, min);
+            chosen = CharmAi.chooseOptionsAi((AIPlayer)activator, sa.isTrigger(), choices, num, min);
         }
 
         chainAbilities(sa, chosen);
diff --git a/src/main/java/forge/card/abilityfactory/effects/PeekAndRevealEffect.java b/src/main/java/forge/card/abilityfactory/effects/PeekAndRevealEffect.java
index 0686bdace74..cd3fb0a4c6a 100644
--- a/src/main/java/forge/card/abilityfactory/effects/PeekAndRevealEffect.java
+++ b/src/main/java/forge/card/abilityfactory/effects/PeekAndRevealEffect.java
@@ -9,6 +9,7 @@ import forge.card.abilityfactory.AbilityFactory;
 import forge.card.abilityfactory.SpellEffect;
 import forge.card.spellability.AbilitySub;
 import forge.card.spellability.SpellAbility;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.game.zone.PlayerZone;
 import forge.game.zone.ZoneType;
@@ -64,7 +65,7 @@ public class PeekAndRevealEffect extends SpellEffect {
             if (doReveal && revealOptional) {
                 // If 
                 AbilitySub subAb = sa.getSubAbility();
-                doReveal = subAb != null && subAb.chkAIDrawback();
+                doReveal = subAb != null && subAb.chkAIDrawback((AIPlayer)peekingPlayer);
             }
         }
         
diff --git a/src/main/java/forge/card/cardfactory/CardFactoryUtil.java b/src/main/java/forge/card/cardfactory/CardFactoryUtil.java
index ed7f0ffd8c0..022e5765daa 100644
--- a/src/main/java/forge/card/cardfactory/CardFactoryUtil.java
+++ b/src/main/java/forge/card/cardfactory/CardFactoryUtil.java
@@ -76,6 +76,7 @@ import forge.game.ai.ComputerUtilCost;
 import forge.game.event.TokenCreatedEvent;
 import forge.game.phase.PhaseHandler;
 import forge.game.phase.PhaseType;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.game.zone.PlayerZone;
 import forge.game.zone.Zone;
@@ -3733,7 +3734,7 @@ public class CardFactoryUtil {
 
                 @Override
                 public boolean canPlayAI() {
-                    if (!SpellPermanent.checkETBEffects(card, this.getActivatingPlayer())) {
+                    if (!SpellPermanent.checkETBEffects(card, (AIPlayer) this.getActivatingPlayer())) {
                         return false;
                     }
                     return super.canPlayAI();
diff --git a/src/main/java/forge/card/replacement/ReplacementEffect.java b/src/main/java/forge/card/replacement/ReplacementEffect.java
index 8e5530d4ec4..5ed517b0445 100644
--- a/src/main/java/forge/card/replacement/ReplacementEffect.java
+++ b/src/main/java/forge/card/replacement/ReplacementEffect.java
@@ -31,6 +31,7 @@ import forge.card.abilityfactory.AbilityFactory;
 import forge.card.cardfactory.CardFactoryUtil;
 import forge.card.spellability.SpellAbility;
 import forge.game.phase.PhaseType;
+import forge.game.player.AIPlayer;
 import forge.game.zone.ZoneType;
 import forge.util.Expressions;
 
@@ -67,9 +68,10 @@ public abstract class ReplacementEffect extends TriggerReplacementBase {
      * Ai should run.
      *
      * @param sa the sa
+     * @param ai 
      * @return true, if successful
      */
-    public final boolean aiShouldRun(final SpellAbility sa) {
+    public final boolean aiShouldRun(final SpellAbility sa, AIPlayer ai) {
         if (this.mapParams.containsKey("AICheckSVar")) {
             System.out.println("aiShouldRun?" + sa);
             final String svarToCheck = this.mapParams.get("AICheckSVar");
@@ -102,7 +104,7 @@ public abstract class ReplacementEffect extends TriggerReplacementBase {
             if (Expressions.compare(left, comparator, compareTo)) {
                 return true;
             }
-        } else if (sa != null && sa.doTrigger(false)) {
+        } else if (sa != null && sa.doTrigger(false, ai)) {
             return true;
         }
 
diff --git a/src/main/java/forge/card/replacement/ReplacementHandler.java b/src/main/java/forge/card/replacement/ReplacementHandler.java
index 279e0610ad9..48e24f3f708 100644
--- a/src/main/java/forge/card/replacement/ReplacementHandler.java
+++ b/src/main/java/forge/card/replacement/ReplacementHandler.java
@@ -28,6 +28,7 @@ import forge.card.abilityfactory.AbilityFactory;
 import forge.card.spellability.SpellAbility;
 import forge.game.GameState;
 import forge.game.ai.ComputerUtil;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.game.zone.ZoneType;
 import forge.gui.GuiChoose;
@@ -222,7 +223,7 @@ public class ReplacementHandler {
                 }
             } else {
                 // AI-logic
-                if (!replacementEffect.aiShouldRun(effectSA)) {
+                if (!replacementEffect.aiShouldRun(effectSA, (AIPlayer)optDecider)) {
                     return ReplacementResult.NotReplaced;
                 }
             }
diff --git a/src/main/java/forge/card/spellability/AbilitySub.java b/src/main/java/forge/card/spellability/AbilitySub.java
index a04b8e9c84a..a22ff2bed18 100644
--- a/src/main/java/forge/card/spellability/AbilitySub.java
+++ b/src/main/java/forge/card/spellability/AbilitySub.java
@@ -18,6 +18,7 @@
 package forge.card.spellability;
 
 import forge.Card;
+import forge.game.player.AIPlayer;
 
 /**
  * <p>
@@ -59,16 +60,17 @@ public abstract class AbilitySub extends SpellAbility implements java.io.Seriali
      * <p>
      * chkAI_Drawback.
      * </p>
+     * @param ai TODO
      * 
      * @return a boolean.
      */
-    public abstract boolean chkAIDrawback();
+    public abstract boolean chkAIDrawback(AIPlayer ai);
 
     public abstract AbilitySub getCopy();
 
     /** {@inheritDoc} */
     @Override
-    public abstract boolean doTrigger(boolean mandatory);
+    public abstract boolean doTrigger(boolean mandatory, AIPlayer ai);
 
     /**
      * <p>
diff --git a/src/main/java/forge/card/spellability/SpellAbility.java b/src/main/java/forge/card/spellability/SpellAbility.java
index b93b4ed90b2..871bb1d0dc0 100644
--- a/src/main/java/forge/card/spellability/SpellAbility.java
+++ b/src/main/java/forge/card/spellability/SpellAbility.java
@@ -34,6 +34,7 @@ import forge.card.abilityfactory.ApiType;
 import forge.card.cost.Cost;
 import forge.card.mana.Mana;
 import forge.control.input.Input;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 
 //only SpellAbility can go on the stack
@@ -220,9 +221,10 @@ public abstract class SpellAbility implements ISpellAbility {
      * 
      * @param mandatory
      *            a boolean.
+     * @param ai TODO
      * @return a boolean.
      */
-    public boolean doTrigger(final boolean mandatory) {
+    public boolean doTrigger(final boolean mandatory, AIPlayer ai) {
         return false;
     }
 
diff --git a/src/main/java/forge/card/spellability/SpellPermanent.java b/src/main/java/forge/card/spellability/SpellPermanent.java
index e24f7070877..ba9bcfeec71 100644
--- a/src/main/java/forge/card/spellability/SpellPermanent.java
+++ b/src/main/java/forge/card/spellability/SpellPermanent.java
@@ -45,6 +45,7 @@ import forge.game.ai.ComputerUtil;
 import forge.game.ai.ComputerUtilCost;
 import forge.game.ai.ComputerUtilMana;
 import forge.game.phase.PhaseType;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.game.zone.ZoneType;
 import forge.view.ButtonUtil;
@@ -326,7 +327,7 @@ public class SpellPermanent extends Spell {
         if (mandatory) {
             return true;
         }
-        final Player ai = getActivatingPlayer();
+        final AIPlayer ai = (AIPlayer) getActivatingPlayer();
         final Card card = this.getSourceCard();
         SpellManaCost mana = this.getPayCosts().getTotalMana();
         final Cost cost = this.getPayCosts();
@@ -407,11 +408,11 @@ public class SpellPermanent extends Spell {
         return checkETBEffects(card, sa, api, null);
     }
 
-    public static boolean checkETBEffects(final Card card, final Player ai) {
+    public static boolean checkETBEffects(final Card card, final AIPlayer ai) {
         return checkETBEffects(card, null, null, ai);
     }
 
-    private static boolean checkETBEffects(final Card card, final SpellAbility sa, final ApiType api, final Player ai) {
+    private static boolean checkETBEffects(final Card card, final SpellAbility sa, final ApiType api, final AIPlayer ai) {
         boolean rightapi = false;
 
         if (card.isCreature()
@@ -501,7 +502,7 @@ public class SpellPermanent extends Spell {
             // Run non-mandatory trigger.
             // These checks only work if the Executing SpellAbility is an
             // Ability_Sub.
-            if ((exSA instanceof AbilitySub) && !exSA.doTrigger(false)) {
+            if ((exSA instanceof AbilitySub) && !exSA.doTrigger(false, ai)) {
                 // AI would not run this trigger if given the chance
 
                 // if trigger is mandatory, return false
@@ -583,7 +584,7 @@ public class SpellPermanent extends Spell {
             // ETBReplacement uses overriding abilities.
             // These checks only work if the Executing SpellAbility is an
             // Ability_Sub.
-            if (exSA != null && (exSA instanceof AbilitySub) && !exSA.doTrigger(false)) {
+            if (exSA != null && (exSA instanceof AbilitySub) && !exSA.doTrigger(false, ai)) {
                 return false;
             }
         }
diff --git a/src/main/java/forge/card/trigger/TriggerHandler.java b/src/main/java/forge/card/trigger/TriggerHandler.java
index dba4bec2da4..49125d38f25 100644
--- a/src/main/java/forge/card/trigger/TriggerHandler.java
+++ b/src/main/java/forge/card/trigger/TriggerHandler.java
@@ -38,6 +38,7 @@ import forge.game.GameState;
 import forge.game.GlobalRuleChange;
 import forge.game.ai.ComputerUtil;
 import forge.game.phase.PhaseType;
+import forge.game.player.AIPlayer;
 //import forge.util.TextUtil;
 import forge.game.player.Player;
 import forge.game.zone.ZoneType;
@@ -545,7 +546,7 @@ public class TriggerHandler {
             if (wrapperAbility.getActivatingPlayer().isHuman()) {
                 game.getAction().playSpellAbilityNoStack(wrapperAbility, false);
             } else {
-                wrapperAbility.doTrigger(isMandatory);
+                wrapperAbility.doTrigger(isMandatory, (AIPlayer)wrapperAbility.getActivatingPlayer());
                 ComputerUtil.playNoStack(wrapperAbility.getActivatingPlayer(), wrapperAbility, game);
             }
         } else {
diff --git a/src/main/java/forge/card/trigger/WrappedAbility.java b/src/main/java/forge/card/trigger/WrappedAbility.java
index 3b3e5e37815..d690a21ca22 100644
--- a/src/main/java/forge/card/trigger/WrappedAbility.java
+++ b/src/main/java/forge/card/trigger/WrappedAbility.java
@@ -20,6 +20,7 @@ import forge.card.spellability.Target;
 import forge.control.input.Input;
 import forge.game.GameState;
 import forge.game.ai.ComputerUtil;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.gui.GuiDialog;
 
@@ -150,8 +151,8 @@ public class WrappedAbility extends Ability implements ISpellAbility {
     }
 
     @Override
-    public boolean doTrigger(final boolean mandatory) {
-        return sa.doTrigger(mandatory);
+    public boolean doTrigger(final boolean mandatory, AIPlayer ai) {
+        return sa.doTrigger(mandatory, ai);
     }
 
     @Override
@@ -497,7 +498,7 @@ public class WrappedAbility extends Ability implements ISpellAbility {
                     tgts = new ArrayList<Object>(sa.getTarget().getTargetChoices().getTargets());
                 }
                 // This isn't quite right, but better than canPlayAI
-                if (!sa.doTrigger(this.isMandatory())) {
+                if (!sa.doTrigger(this.isMandatory(), (AIPlayer)decider)) {
                     return;
                 }
                 if (sa.getTarget() != null && sa.getTarget().getTargetChoices() != null) {
diff --git a/src/main/java/forge/control/input/InputMulligan.java b/src/main/java/forge/control/input/InputMulligan.java
index 9274087c449..a6f8c07a4a0 100644
--- a/src/main/java/forge/control/input/InputMulligan.java
+++ b/src/main/java/forge/control/input/InputMulligan.java
@@ -33,6 +33,7 @@ import forge.card.spellability.SpellAbility;
 import forge.game.GameState;
 import forge.game.GameType;
 import forge.game.ai.ComputerUtil;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.game.zone.Zone;
 import forge.game.zone.ZoneType;
@@ -158,7 +159,7 @@ public class InputMulligan extends Input {
                                 final SpellAbility effect = af.getAbility(c.getSVar(effName), c);
 
                                 // Is there a better way for the AI to decide this?
-                                if (effect.doTrigger(false)) {
+                                if (effect.doTrigger(false, (AIPlayer)p)) {
                                     GuiDialog.message("Computer reveals " + c.getName() + "(" + c.getUniqueNumber() + ").");
                                     ComputerUtil.playNoStack(p, effect, game);
                                 }
diff --git a/src/main/java/forge/game/ai/ComputerUtilMana.java b/src/main/java/forge/game/ai/ComputerUtilMana.java
index 207cbca10ed..cb2bd932c08 100644
--- a/src/main/java/forge/game/ai/ComputerUtilMana.java
+++ b/src/main/java/forge/game/ai/ComputerUtilMana.java
@@ -67,7 +67,7 @@ public class ComputerUtilMana {
         }
     
         // get map of mana abilities
-        final Map<String, List<SpellAbility>> manaAbilityMap = ComputerUtilMana.mapManaSources(ai, checkPlayable);
+        final Map<String, List<SpellAbility>> manaAbilityMap = ComputerUtilMana.mapManaSources((AIPlayer) ai, checkPlayable);
         // initialize ArrayList list for mana needed
         final List<List<SpellAbility>> partSources = new ArrayList<List<SpellAbility>>();
         final List<Integer> partPriority = new ArrayList<Integer>();
@@ -456,7 +456,7 @@ public class ComputerUtilMana {
      * @param checkPlayable
      * @return a {@link forge.CardList} object.
      */
-    private static List<Card> getAvailableMana(final Player ai, final boolean checkPlayable) {
+    private static List<Card> getAvailableMana(final AIPlayer ai, final boolean checkPlayable) {
         final GameState game = Singletons.getModel().getGame();
         final List<Card> list = ai.getCardsIn(ZoneType.Battlefield);
         final List<Card> manaSources = CardLists.filter(list, new Predicate<Card>() {
@@ -528,7 +528,7 @@ public class ComputerUtilMana {
     
                 // don't use abilities with dangerous drawbacks
                 if (m.getSubAbility() != null && !card.getName().equals("Pristine Talisman")) {
-                    if (!m.getSubAbility().chkAIDrawback()) {
+                    if (!m.getSubAbility().chkAIDrawback(ai)) {
                         continue;
                     }
                     needsLimitedResources = true; // TODO: check for good
@@ -582,7 +582,7 @@ public class ComputerUtilMana {
      * @param checkPlayable TODO
      * @return HashMap<String, List<Card>>
      */
-    private static Map<String, List<SpellAbility>> mapManaSources(final Player ai, boolean checkPlayable) {
+    private static Map<String, List<SpellAbility>> mapManaSources(final AIPlayer ai, boolean checkPlayable) {
         final Map<String, List<SpellAbility>> manaMap = new HashMap<String, List<SpellAbility>>();
     
         final List<SpellAbility> whiteSources = new ArrayList<SpellAbility>();
@@ -610,7 +610,7 @@ public class ComputerUtilMana {
     
                 // don't use abilities with dangerous drawbacks
                 if (m.getSubAbility() != null) {
-                    if (!m.getSubAbility().chkAIDrawback()) {
+                    if (!m.getSubAbility().chkAIDrawback(ai)) {
                         continue;
                     }
                 }
diff --git a/src/main/java/forge/game/player/Player.java b/src/main/java/forge/game/player/Player.java
index 2aeee8ae334..811582e6974 100644
--- a/src/main/java/forge/game/player/Player.java
+++ b/src/main/java/forge/game/player/Player.java
@@ -2542,7 +2542,7 @@ public abstract class Player extends GameEntity implements Comparable<Player> {
                 return false;
             }
         } else if (property.equals("attackedBySourceThisCombat")) {
-            if (!this.equals(Singletons.getModel().getGame().getCombat().getDefenderPlayerByAttacker(source))) {
+            if (!this.equals(game.getCombat().getDefenderPlayerByAttacker(source))) {
                 return false;
             }
         } else if (property.startsWith("wasDealtDamageThisTurn")) {
diff --git a/src/main/java/forge/game/zone/MagicStack.java b/src/main/java/forge/game/zone/MagicStack.java
index a9a8343abe2..923bbb2970e 100644
--- a/src/main/java/forge/game/zone/MagicStack.java
+++ b/src/main/java/forge/game/zone/MagicStack.java
@@ -56,6 +56,7 @@ import forge.game.ai.ComputerUtil;
 import forge.game.ai.ComputerUtilCost;
 import forge.game.event.SpellResolvedEvent;
 import forge.game.phase.PhaseType;
+import forge.game.player.AIPlayer;
 import forge.game.player.Player;
 import forge.gui.GuiChoose;
 import forge.gui.framework.EDocID;
@@ -1342,7 +1343,7 @@ public class MagicStack extends MyObservable {
 
         if (activePlayer.isComputer()) {
             for (final SpellAbility sa : activePlayerSAs) {
-                sa.doTrigger(sa.isMandatory());
+                sa.doTrigger(sa.isMandatory(), (AIPlayer) activePlayer);
                 ComputerUtil.playStack(sa, activePlayer, game);
             }
         } else {