Using ITargetable instead of Object to return targets of an ability

.gitattributes

@@ -13994,6 +13994,7 @@ src/main/java/forge/GameLog.java -text
 src/main/java/forge/GameLogEntry.java -text
 src/main/java/forge/GameLogEntryType.java -text
 src/main/java/forge/GameLogFormatter.java -text
+src/main/java/forge/ITargetable.java -text
 src/main/java/forge/ImageCache.java svneol=native#text/plain
 src/main/java/forge/ImageLoader.java -text
 src/main/java/forge/Singletons.java svneol=native#text/plain

src/main/java/forge/GameEntity.java

@@ -19,7 +19,6 @@ package forge;
 
 import java.util.ArrayList;
 
-import forge.card.spellability.SpellAbility;
 import forge.game.Game;
 import forge.game.player.Player;
 import forge.util.MyObservable;
@@ -32,7 +31,7 @@ import forge.util.MyObservable;
  * @author Forge
  * @version $Id: Player.java 10091 2011-08-30 16:11:21Z Sloth $
  */
-public abstract class GameEntity extends MyObservable {
+public abstract class GameEntity extends MyObservable implements ITargetable {
     private String name = "";
     private int preventNextDamage = 0;
 
@@ -267,17 +266,6 @@ public abstract class GameEntity extends MyObservable {
         return false;
     }
 
-    /**
-     * Can target.
-     * 
-     * @param sa
-     *            the sa
-     * @return a boolean
-     */
-    public boolean canBeTargetedBy(final SpellAbility sa) {
-        return false;
-    }
-
     /**
      * Checks if is valid.
      * 

src/main/java/forge/ITargetable.java

@@ -0,0 +1,7 @@
+package forge;
+
+import forge.card.spellability.SpellAbility;
+
+public interface ITargetable {
+    boolean canBeTargetedBy(final SpellAbility sa);
+}

src/main/java/forge/card/ability/AbilityUtils.java

@@ -14,6 +14,7 @@ import forge.CardLists;
 import forge.CardUtil;
 import forge.Constant;
 import forge.CounterType;
+import forge.ITargetable;
 import forge.card.cardfactory.CardFactoryUtil;
 import forge.card.cost.Cost;
 import forge.card.mana.ManaCostBeingPaid;
@@ -571,8 +572,8 @@ public class AbilityUtils {
      *            a {@link forge.card.spellability.SpellAbility} object.
      * @return a {@link java.util.ArrayList} object.
      */
-    public static ArrayList<Object> getDefinedObjects(final Card card, final String def, final SpellAbility sa) {
+    public static List<ITargetable> getDefinedObjects(final Card card, final String def, final SpellAbility sa) {
-        final ArrayList<Object> objects = new ArrayList<Object>();
+        final ArrayList<ITargetable> objects = new ArrayList<ITargetable>();
         final String defined = (def == null) ? "Self" : def;
 
         objects.addAll(AbilityUtils.getDefinedPlayers(card, defined, sa));

src/main/java/forge/card/ability/SpellAbilityEffect.java

@@ -9,6 +9,7 @@ import java.util.StringTokenizer;
 import org.apache.commons.lang3.StringUtils;
 
 import forge.Card;
+import forge.ITargetable;
 import forge.card.cardfactory.CardFactoryUtil;
 import forge.card.spellability.AbilitySub;
 import forge.card.spellability.SpellAbility;
@@ -162,7 +163,7 @@ import forge.game.player.Player;
             return tgt != null ? tgt.getTargetSAs() : AbilityUtils.getDefinedSpellAbilities(sa.getSourceCard(), sa.getParam("Defined"), sa);
         }
 
-        protected List<Object> getTargetObjects(SpellAbility sa) {
+        protected List<ITargetable> getTargetObjects(SpellAbility sa) {
             final Target tgt = sa.getTarget();
             return tgt != null ? tgt.getTargets() : AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa);
         }

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

@@ -14,6 +14,7 @@ import forge.Card;
 import forge.CardLists;
 import forge.CardPredicates;
 import forge.CardUtil;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.ApiType;
 import forge.card.ability.SpellAbilityAi;
@@ -611,7 +612,7 @@ public class AttachAi extends SpellAbilityAi {
     protected boolean doTriggerAINoCost(final Player ai, final SpellAbility sa, final boolean mandatory) {
         final Card card = sa.getSourceCard();
         // Check if there are any valid targets
-        ArrayList<Object> targets = new ArrayList<Object>();
+        List<ITargetable> targets = new ArrayList<ITargetable>();
         final Target tgt = sa.getTarget();
         if (tgt == null) {
             targets = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa);

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

@@ -7,6 +7,7 @@ import com.google.common.base.Predicate;
 
 import forge.Card;
 import forge.CardLists;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.ApiType;
 import forge.card.ability.SpellAbilityAi;
@@ -78,17 +79,17 @@ public class ChooseSourceAi extends SpellAbilityAi {
                     }
 
                     final Card threatSource = topStack.getSourceCard();
-                    ArrayList<Object> objects = new ArrayList<Object>();
+                    List<? extends ITargetable> objects = new ArrayList<ITargetable>();
                     final Target threatTgt = topStack.getTarget();
 
                     if (threatTgt == null) {
                         if (topStack.hasParam("Defined")) {
                             objects = AbilityUtils.getDefinedObjects(threatSource, topStack.getParam("Defined"), topStack);
                         } else if (topStack.hasParam("ValidPlayers")) {
-                            objects.addAll(AbilityUtils.getDefinedPlayers(threatSource, topStack.getParam("ValidPlayers"), topStack));
+                            objects = AbilityUtils.getDefinedPlayers(threatSource, topStack.getParam("ValidPlayers"), topStack);
                         }
                     } else {
-                        objects.addAll(threatTgt.getTargetPlayers());
+                        objects = threatTgt.getTargetPlayers();
                     }
                     if (!objects.contains(ai) || topStack.hasParam("NoPrevention")) {
                         return false;

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

@@ -1,6 +1,5 @@
 package forge.card.ability.ai;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 
@@ -8,6 +7,7 @@ import com.google.common.base.Predicate;
 
 import forge.Card;
 import forge.CardLists;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityAi;
 import forge.card.cost.Cost;
@@ -146,7 +146,7 @@ public class DamageDealAi extends DamageAiBase {
         final Card source = saMe.getSourceCard();
         List<Card> hPlay = CardLists.getValidCards(pl.getCardsIn(ZoneType.Battlefield), tgt.getValidTgts(), ai, source);
 
-        final ArrayList<Object> objects = tgt.getTargets();
+        final List<ITargetable> objects = tgt.getTargets();
         if (saMe.hasParam("TargetUnique")) {
             objects.addAll(saMe.getUniqueTargets());
         }
@@ -359,7 +359,7 @@ public class DamageDealAi extends DamageAiBase {
      */
     private boolean damageChooseNontargeted(Player ai, final SpellAbility saMe, final int dmg) {
         // TODO: Improve circumstances where the Defined Damage is unwanted
-        final ArrayList<Object> objects = AbilityUtils.getDefinedObjects(saMe.getSourceCard(), saMe.getParam("Defined"), saMe);
+        final List<ITargetable> objects = AbilityUtils.getDefinedObjects(saMe.getSourceCard(), saMe.getParam("Defined"), saMe);
         boolean urgent = false; // can it wait?
         boolean positive = false;
 

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

@@ -6,6 +6,7 @@ import java.util.List;
 import forge.Card;
 import forge.CardLists;
 import forge.CardPredicates;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityAi;
 import forge.card.cost.Cost;
@@ -52,8 +53,7 @@ public class DamagePreventAi extends SpellAbilityAi {
         if (tgt == null) {
             // As far as I can tell these Defined Cards will only have one of
             // them
-            final ArrayList<Object> objects = AbilityUtils.getDefinedObjects(sa.getSourceCard(),
+            final List<ITargetable> objects = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa);
-                    sa.getParam("Defined"), sa);
 
             // react to threats on the stack
             if (!game.getStack().isEmpty()) {

src/main/java/forge/card/ability/ai/UnattachAllAi.java

@@ -1,9 +1,11 @@
 package forge.card.ability.ai;
 
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Random;
 
 import forge.Card;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityAi;
 import forge.card.cost.Cost;
@@ -66,7 +68,7 @@ public class UnattachAllAi extends SpellAbilityAi {
         final Card card = sa.getSourceCard();
         final Player opp = ai.getOpponent();
         // Check if there are any valid targets
-        ArrayList<Object> targets = new ArrayList<Object>();
+        List<ITargetable> targets = new ArrayList<ITargetable>();
         final Target tgt = sa.getTarget();
         if (tgt == null) {
             targets = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa);

src/main/java/forge/card/ability/effects/AttachEffect.java

@@ -7,6 +7,7 @@ import forge.Card;
 import forge.CardLists;
 import forge.Command;
 import forge.GameEntity;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.ApiType;
 import forge.card.ability.SpellAbilityEffect;
@@ -37,7 +38,7 @@ public class AttachEffect extends SpellAbilityEffect {
         Card source = sa.getSourceCard();
         Card card = sa.getSourceCard();
 
-        final List<Object> targets = getTargetObjects(sa);
+        final List<ITargetable> targets = getTargetObjects(sa);
 
         if (sa.hasParam("Object")) {
             card = AbilityUtils.getDefinedCards(source, sa.getParam("Object"), sa).get(0);
@@ -60,7 +61,7 @@ public class AttachEffect extends SpellAbilityEffect {
 
         sb.append(" Attach to ");
 
-        final List<Object> targets = getTargetObjects(sa);
+        final List<ITargetable> targets = getTargetObjects(sa);
         // Should never allow more than one Attachment per card
 
         for (final Object o : targets) {

src/main/java/forge/card/ability/effects/ChooseSourceEffect.java

@@ -5,9 +5,11 @@ import java.util.List;
 import org.apache.commons.lang3.StringUtils;
 
 import com.google.common.base.Predicate;
+import com.google.common.collect.Lists;
 
 import forge.Card;
 import forge.CardLists;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.ApiType;
 import forge.card.ability.SpellAbilityEffect;
@@ -188,18 +190,20 @@ public class ChooseSourceEffect extends SpellAbilityEffect {
             }
     
             
-            ArrayList<Object> objects = new ArrayList<Object>();
+            final List<? extends ITargetable> objects;
             final Target threatTgt = abilityOnStack.getTarget();
     
             if (threatTgt == null) {
                 if (abilityOnStack.hasParam("Defined")) {
                     objects = AbilityUtils.getDefinedObjects(source, abilityOnStack.getParam("Defined"), abilityOnStack);
                 } else if (abilityOnStack.hasParam("ValidPlayers")) {
-                    objects.addAll(AbilityUtils.getDefinedPlayers(source, abilityOnStack.getParam("ValidPlayers"), abilityOnStack));
+                    objects = AbilityUtils.getDefinedPlayers(source, abilityOnStack.getParam("ValidPlayers"), abilityOnStack);
-                }
+                } else
+                    objects = Lists.<ITargetable>newArrayList();
             } else {
-                objects.addAll(threatTgt.getTargetPlayers());
+                objects = threatTgt.getTargetPlayers();
             }
+            
             if (!objects.contains(ai) || abilityOnStack.hasParam("NoPrevention")) {
                 continue;
             }

src/main/java/forge/card/ability/effects/DamageDealEffect.java

@@ -1,11 +1,11 @@
 package forge.card.ability.effects;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
 import forge.Card;
 import forge.CardUtil;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityEffect;
 import forge.card.spellability.SpellAbility;
@@ -25,7 +25,7 @@ public class DamageDealEffect extends SpellAbilityEffect {
         final int dmg = AbilityUtils.calculateAmount(sa.getSourceCard(), damage, sa);
 
 
-        List<Object> tgts = getTargetObjects(sa);
+        List<ITargetable> tgts = getTargetObjects(sa);
         if (tgts.isEmpty()) 
             return "";
 
@@ -73,7 +73,7 @@ public class DamageDealEffect extends SpellAbilityEffect {
         final boolean combatDmg = sa.hasParam("CombatDamage");
         final boolean removeDamage = sa.hasParam("Remove");
 
-        ArrayList<Object> tgts;
+        List<ITargetable> tgts;
         if (sa.getTarget() == null) {
             tgts = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa) ;
         } else {

src/main/java/forge/card/ability/effects/DamageEachEffect.java

@@ -1,10 +1,10 @@
 package forge.card.ability.effects;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import forge.Card;
 import forge.CardLists;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityEffect;
 import forge.card.cardfactory.CardFactoryUtil;
@@ -65,7 +65,7 @@ public class DamageEachEffect extends SpellAbilityEffect {
             sources = CardLists.getValidCards(sources, sa.getParam("ValidCards"), card.getController(), card);
         }
 
-        ArrayList<Object> tgts = new ArrayList<Object>();
+        final List<ITargetable> tgts;
         if (sa.getTarget() == null) {
             tgts = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("DefinedPlayers"), sa);
         } else {

src/main/java/forge/card/ability/effects/DamagePreventEffect.java

@@ -5,6 +5,7 @@ import java.util.List;
 
 import forge.Card;
 import forge.CardUtil;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.SpellAbilityEffect;
 import forge.card.spellability.SpellAbility;
@@ -16,7 +17,7 @@ public class DamagePreventEffect extends SpellAbilityEffect {
     protected String getStackDescription(SpellAbility sa) {
         final StringBuilder sb = new StringBuilder();
 
-        final List<Object> tgts = getTargetObjects(sa);
+        final List<ITargetable> tgts = getTargetObjects(sa);
 
         sb.append("Prevent the next ");
         sb.append(sa.getParam("Amount"));
@@ -65,7 +66,7 @@ public class DamagePreventEffect extends SpellAbilityEffect {
         Card host = sa.getSourceCard();
         int numDam = AbilityUtils.calculateAmount(host, sa.getParam("Amount"), sa);
 
-        ArrayList<Object> tgts;
+        final List<ITargetable> tgts;
         final ArrayList<Card> untargetedCards = new ArrayList<Card>();
         if (sa.getTarget() == null) {
             tgts = AbilityUtils.getDefinedObjects(sa.getSourceCard(), sa.getParam("Defined"), sa);

src/main/java/forge/card/ability/effects/UnattachAllEffect.java

@@ -7,6 +7,7 @@ import org.apache.commons.lang3.StringUtils;
 import forge.Card;
 import forge.CardLists;
 import forge.GameEntity;
+import forge.ITargetable;
 import forge.card.ability.SpellAbilityEffect;
 import forge.card.spellability.SpellAbility;
 import forge.game.Game;
@@ -142,7 +143,7 @@ public class UnattachAllEffect extends SpellAbilityEffect {
     protected String getStackDescription(SpellAbility sa) {
         final StringBuilder sb = new StringBuilder();
         sb.append("Unattach all valid Equipment and Auras from ");
-        final List<Object> targets = getTargetObjects(sa);
+        final List<ITargetable> targets = getTargetObjects(sa);
         sb.append(StringUtils.join(targets, " "));
         return sb.toString();
     }
@@ -154,7 +155,7 @@ public class UnattachAllEffect extends SpellAbilityEffect {
     public void resolve(SpellAbility sa) {
         Card source = sa.getSourceCard();
         final Game game = sa.getActivatingPlayer().getGame();
-        final List<Object> targets = getTargetObjects(sa);
+        final List<ITargetable> targets = getTargetObjects(sa);
 
         // If Cast Targets will be checked on the Stack
         for (final Object o : targets) {

src/main/java/forge/card/spellability/HumanPlaySpellAbility.java

@@ -18,11 +18,13 @@
 package forge.card.spellability;
 
 import java.util.ArrayList;
+import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
 
 import forge.Card;
 import forge.CardCharacteristicName;
+import forge.ITargetable;
 import forge.card.CardType;
 import forge.card.ability.AbilityUtils;
 import forge.card.cost.CostPartMana;
@@ -202,7 +204,7 @@ public class HumanPlaySpellAbility {
         final StringBuilder sb = new StringBuilder();
         sb.append(ability.getSourceCard().getName());
         if (ability.getTarget() != null) {
-            final ArrayList<Object> targets = ability.getTarget().getTargets();
+            final List<ITargetable> targets = ability.getTarget().getTargets();
             if (targets.size() > 0) {
                 sb.append(" - Targeting ");
                 for (final Object o : targets) {

src/main/java/forge/card/spellability/SpellAbility.java

@@ -28,6 +28,7 @@ import org.apache.commons.lang3.StringUtils;
 
 import forge.Card;
 import forge.GameEntity;
+import forge.ITargetable;
 import forge.card.ability.AbilityUtils;
 import forge.card.ability.ApiType;
 import forge.card.cost.Cost;
@@ -48,7 +49,7 @@ import forge.util.TextUtil;
  * @author Forge
  * @version $Id$
  */
-public abstract class SpellAbility implements ISpellAbility {
+public abstract class SpellAbility implements ISpellAbility, ITargetable {
 
     // choices for constructor isPermanent argument
     private String description = "";
@@ -890,79 +891,6 @@ public abstract class SpellAbility implements ISpellAbility {
         return this.subAbility;
     }
 
-    /**
-     * <p>
-     * Getter for the field <code>targetCard</code>.
-     * </p>
-     * 
-     * @return a {@link forge.Card} object.
-     */
-    public Card getTargetCard() {
-        if (this.targetCard == null) {
-            final Target tgt = this.getTarget();
-            if (tgt != null) {
-                final List<Card> list = tgt.getTargetCards();
-
-                if (!list.isEmpty()) {
-                    return list.get(0);
-                }
-            }
-            return null;
-        }
-
-        return this.targetCard;
-    }
-
-    /**
-     * <p>
-     * Setter for the field <code>targetCard</code>.
-     * </p>
-     * 
-     * @param card
-     *            a {@link forge.Card} object.
-     */
-    public void setTargetCard(final Card card) {
-        if (card == null) {
-            System.out.println(this.getSourceCard()
-                    + " - SpellAbility.setTargetCard() called with null for target card.");
-            return;
-        }
-
-        final Target tgt = this.getTarget();
-        if (tgt != null) {
-            tgt.addTarget(card);
-        } else {
-            this.targetCard = card;
-        }
-        String desc = "";
-
-        if (!card.isFaceDown()) {
-            desc = this.getSourceCard().getName() + " - targeting " + card;
-        } else {
-            desc = this.getSourceCard().getName() + " - targeting Morph(" + card.getUniqueNumber() + ")";
-        }
-        this.setStackDescription(desc);
-    }
-
-    /**
-     * <p>
-     * Getter for the field <code>targetPlayer</code>.
-     * </p>
-     * 
-     * @return a {@link forge.game.player.Player} object.
-     */
-    public Player getTargetPlayer() {
-        final Target tgt = this.getTarget();
-        if (tgt != null) {
-            final List<Player> list = tgt.getTargetPlayers();
-
-            if (!list.isEmpty()) {
-                return list.get(0);
-            }
-        }
-        return null;
-    }
-
     /**
      * <p>
      * isBasicAbility.
@@ -1211,25 +1139,6 @@ public abstract class SpellAbility implements ISpellAbility {
         this.delve = isDelve0;
     }
 
-    /**
-     * Gets the chosen target.
-     * 
-     * @return the chosenTarget
-     */
-    public Target getChosenTarget() {
-        return this.chosenTarget;
-    }
-
-    /**
-     * Sets the chosen target.
-     * 
-     * @param chosenTarget0
-     *            the chosenTarget to set
-     */
-    public void setChosenTarget(final Target chosenTarget0) {
-        this.chosenTarget = chosenTarget0;
-    }
-
     /**
      * Adds the tapped for convoke.
      * 
@@ -1368,6 +1277,178 @@ public abstract class SpellAbility implements ISpellAbility {
         return null;
     }
 
+    /**
+     * TODO: Write javadoc for this method.
+     * @return
+     */
+    public boolean isUndoable() {
+        return this.undoable && this.payCosts.isUndoable() && this.getSourceCard().isInPlay();
+    }
+
+    /**
+     * TODO: Write javadoc for this method.
+     */
+    public void undo() {
+        if (isUndoable()) {
+            this.payCosts.refundPaidCost(sourceCard);
+        }
+    }
+
+    /**
+     * TODO: Write javadoc for this method.
+     * @param b
+     */
+    public void setUndoable(boolean b) {
+        this.undoable = b;
+    }
+
+    /**
+     * @return the isCopied
+     */
+    public boolean isCopied() {
+        return isCopied;
+    }
+
+    /**
+     * @param isCopied0 the isCopied to set
+     */
+    public void setCopied(boolean isCopied0) {
+        this.isCopied = isCopied0; 
+    }
+
+    /**
+     * Returns whether variable was present in the announce list.
+     */
+    public boolean isAnnouncing(String variable) {
+        String announce = getParam("Announce");
+        if (StringUtils.isBlank(announce)) return false;
+        String[] announcedOnes = TextUtil.split(announce, ',');
+        for(String a : announcedOnes) {
+            if( a.trim().equalsIgnoreCase(variable))
+                return true;
+        }
+        return false;
+    }
+
+    public boolean isXCost() {
+        CostPartMana cm = payCosts != null ? getPayCosts().getCostMana() : null;
+        return cm != null && cm.getAmountOfX() > 0; 
+    }
+
+    public boolean isBasicLandAbility() {
+        return basicLandAbility;
+    }
+
+    public void setBasicLandAbility(boolean basicLandAbility) {
+        this.basicLandAbility = basicLandAbility; // TODO: Add 0 to parameter's name.
+    }
+
+    public boolean isTemporary() {
+        return temporary;
+    }
+
+    public void setTemporary(boolean temporary) {
+        this.temporary = temporary; // TODO: Add 0 to parameter's name.
+    }
+
+    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    //
+    // THE CODE BELOW IS RELATED TO TARGETING. It shall await extraction to other class from here
+    //
+    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    
+    /**
+     * <p>
+     * Getter for the field <code>targetCard</code>.
+     * </p>
+     * 
+     * @return a {@link forge.Card} object.
+     */
+    public Card getTargetCard() {
+        if (this.targetCard == null) {
+            final Target tgt = this.getTarget();
+            if (tgt != null) {
+                final List<Card> list = tgt.getTargetCards();
+    
+                if (!list.isEmpty()) {
+                    return list.get(0);
+                }
+            }
+            return null;
+        }
+    
+        return this.targetCard;
+    }
+
+    /**
+     * <p>
+     * Setter for the field <code>targetCard</code>.
+     * </p>
+     * 
+     * @param card
+     *            a {@link forge.Card} object.
+     */
+    public void setTargetCard(final Card card) {
+        if (card == null) {
+            System.out.println(this.getSourceCard()
+                    + " - SpellAbility.setTargetCard() called with null for target card.");
+            return;
+        }
+    
+        final Target tgt = this.getTarget();
+        if (tgt != null) {
+            tgt.addTarget(card);
+        } else {
+            this.targetCard = card;
+        }
+        String desc = "";
+    
+        if (!card.isFaceDown()) {
+            desc = this.getSourceCard().getName() + " - targeting " + card;
+        } else {
+            desc = this.getSourceCard().getName() + " - targeting Morph(" + card.getUniqueNumber() + ")";
+        }
+        this.setStackDescription(desc);
+    }
+
+    /**
+     * <p>
+     * Getter for the field <code>targetPlayer</code>.
+     * </p>
+     * 
+     * @return a {@link forge.game.player.Player} object.
+     */
+    public Player getTargetPlayer() {
+        final Target tgt = this.getTarget();
+        if (tgt != null) {
+            final List<Player> list = tgt.getTargetPlayers();
+    
+            if (!list.isEmpty()) {
+                return list.get(0);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Gets the chosen target.
+     * 
+     * @return the chosenTarget
+     */
+    public Target getChosenTarget() {
+        return this.chosenTarget;
+    }
+
+    /**
+     * Sets the chosen target.
+     * 
+     * @param chosenTarget0
+     *            the chosenTarget to set
+     */
+    public void setChosenTarget(final Target chosenTarget0) {
+        this.chosenTarget = chosenTarget0;
+    }
+
     /**
      * <p>
      * findTargetCards.
@@ -1522,45 +1603,6 @@ public abstract class SpellAbility implements ISpellAbility {
         return parent;
     }
 
-    /**
-     * TODO: Write javadoc for this method.
-     * @return
-     */
-    public boolean isUndoable() {
-        return this.undoable && this.payCosts.isUndoable() && this.getSourceCard().isInPlay();
-    }
-
-    /**
-     * TODO: Write javadoc for this method.
-     */
-    public void undo() {
-        if (isUndoable()) {
-            this.payCosts.refundPaidCost(sourceCard);
-        }
-    }
-
-    /**
-     * TODO: Write javadoc for this method.
-     * @param b
-     */
-    public void setUndoable(boolean b) {
-        this.undoable = b;
-    }
-
-    /**
-     * @return the isCopied
-     */
-    public boolean isCopied() {
-        return isCopied;
-    }
-
-    /**
-     * @param isCopied0 the isCopied to set
-     */
-    public void setCopied(boolean isCopied0) {
-        this.isCopied = isCopied0; 
-    }
-
     /**
      * Gets the unique targets.
      * 
@@ -1568,8 +1610,8 @@ public abstract class SpellAbility implements ISpellAbility {
      *            the ability
      * @return the unique targets
      */
-    public final List<Object> getUniqueTargets() {
+    public final List<ITargetable> getUniqueTargets() {
-        final List<Object> targets = new ArrayList<Object>();
+        final List<ITargetable> targets = new ArrayList<ITargetable>();
         SpellAbility child = this.getParent();
         while (child != null) {
             if (child.getTarget() != null) {
@@ -1580,6 +1622,11 @@ public abstract class SpellAbility implements ISpellAbility {
         return targets;
     }
 
+    @Override
+    public boolean canBeTargetedBy(SpellAbility sa) {
+        return sa.canBeTargetedBy(this);
+    }
+    
     public boolean canTargetSpellAbility(final SpellAbility topSA) {
         final Target tgt = this.getTarget();
         final String saType = tgt.getTargetSpellAbilityType();
@@ -1645,7 +1692,6 @@ public abstract class SpellAbility implements ISpellAbility {
         return topSA.getSourceCard().isValid(tgt.getValidTgts(), this.getActivatingPlayer(), this.getSourceCard());
     }
 
-
     private boolean matchesValid(final Object o, final String[] valids) {
         final Card srcCard = this.getSourceCard();
         final Player activatingPlayer = this.getActivatingPlayer();
@@ -1663,39 +1709,4 @@ public abstract class SpellAbility implements ISpellAbility {
     
         return false;
     }
-
-    /**
-     * Returns whether variable was present in the announce list.
-     */
-    public boolean isAnnouncing(String variable) {
-        String announce = getParam("Announce");
-        if (StringUtils.isBlank(announce)) return false;
-        String[] announcedOnes = TextUtil.split(announce, ',');
-        for(String a : announcedOnes) {
-            if( a.trim().equalsIgnoreCase(variable))
-                return true;
-        }
-        return false;
-    }
-
-    public boolean isXCost() {
-        CostPartMana cm = payCosts != null ? getPayCosts().getCostMana() : null;
-        return cm != null && cm.getAmountOfX() > 0; 
-    }
-
-    public boolean isBasicLandAbility() {
-        return basicLandAbility;
-    }
-
-    public void setBasicLandAbility(boolean basicLandAbility) {
-        this.basicLandAbility = basicLandAbility; // TODO: Add 0 to parameter's name.
-    }
-
-    public boolean isTemporary() {
-        return temporary;
-    }
-
-    public void setTemporary(boolean temporary) {
-        this.temporary = temporary; // TODO: Add 0 to parameter's name.
-    }
 }

src/main/java/forge/card/spellability/Target.java

@@ -23,6 +23,7 @@ import java.util.HashMap;
 import java.util.List;
 
 import forge.Card;
+import forge.ITargetable;
 import forge.card.CardType;
 import forge.card.ability.AbilityUtils;
 import forge.game.Game;
@@ -518,9 +519,9 @@ public class Target {
      * 
      * @return a {@link java.util.ArrayList} object.
      */
-    public final ArrayList<Object> getTargets() {
+    public final List<ITargetable> getTargets() {
         if (this.choice == null) {
-            return new ArrayList<Object>();
+            return new ArrayList<ITargetable>();
         }
 
         return this.choice.getTargets();
@@ -557,7 +558,7 @@ public class Target {
      * @return a {@link java.lang.String} object.
      */
     public final String getTargetedString() {
-        final ArrayList<Object> tgts = this.getTargets();
+        final List<ITargetable> tgts = this.getTargets();
         final StringBuilder sb = new StringBuilder("");
         for (final Object o : tgts) {
             if (o instanceof Player) {

src/main/java/forge/card/spellability/TargetChoices.java

@@ -21,6 +21,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import forge.Card;
+import forge.ITargetable;
 import forge.game.player.Player;
 
 /**
@@ -233,8 +234,8 @@ public class TargetChoices {
      * 
      * @return a {@link java.util.ArrayList} object.
      */
-    public final ArrayList<Object> getTargets() {
+    public final List<ITargetable> getTargets() {
-        final ArrayList<Object> tgts = new ArrayList<Object>();
+        final ArrayList<ITargetable> tgts = new ArrayList<ITargetable>();
         tgts.addAll(this.targetPlayers);
         tgts.addAll(this.targetCards);
         tgts.addAll(this.targetSAs);
@@ -250,8 +251,8 @@ public class TargetChoices {
      * @return a {@link java.lang.String} object.
      */
     public final String getTargetedString() {
-        final ArrayList<Object> tgts = this.getTargets();
+        final List<ITargetable> tgts = this.getTargets();
-        final StringBuilder sb = new StringBuilder("");
+        final StringBuilder sb = new StringBuilder();
         for (final Object o : tgts) {
             if (o instanceof Player) {
                 final Player p = (Player) o;

src/main/java/forge/card/spellability/TargetSelection.java

@@ -24,6 +24,7 @@ import com.google.common.base.Predicate;
 
 import forge.Card;
 import forge.CardLists;
+import forge.ITargetable;
 import forge.Singletons;
 import forge.card.ability.AbilityUtils;
 import forge.game.Game;
@@ -151,7 +152,7 @@ public class TargetSelection {
                 choices.remove(tgt.getSourceCard());
             }
         }
-        List<Object> targetedObjects = this.ability.getUniqueTargets();
+        List<ITargetable> targetedObjects = this.ability.getUniqueTargets();
 
         if (tgt.isUniqueTargets()) {
             for (final Object o : targetedObjects) {

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

@@ -33,6 +33,7 @@ import forge.CardPredicates;
 import forge.Constant;
 import forge.CardPredicates.Presets;
 import forge.CardUtil;
+import forge.ITargetable;
 import forge.card.CardType;
 import forge.card.MagicColor;
 import forge.card.ability.AbilityUtils;
@@ -1287,10 +1288,10 @@ public class ComputerUtil {
      * @return a {@link java.util.ArrayList} object.
      * @since 1.0.15
      */
-    public static ArrayList<Object> predictThreatenedObjects(final Player aiPlayer, final SpellAbility saviour,
+    public static List<ITargetable> predictThreatenedObjects(final Player aiPlayer, final SpellAbility saviour,
             final SpellAbility topStack) {
-        ArrayList<Object> objects = new ArrayList<Object>();
+        List<ITargetable> objects = new ArrayList<ITargetable>();
-        final ArrayList<Object> threatened = new ArrayList<Object>();
+        final List<ITargetable> threatened = new ArrayList<ITargetable>();
         ApiType saviourApi = saviour.getApi();
     
         if (topStack == null) {

src/main/java/forge/game/zone/MagicStack.java

@@ -35,6 +35,7 @@ import forge.CardLists;
 import forge.CardPredicates;
 import forge.Command;
 import forge.FThreads;
+import forge.ITargetable;
 import forge.Singletons;
 import forge.CardPredicates.Presets;
 import forge.GameLogEntryType;
@@ -679,7 +680,7 @@ public class MagicStack /* extends MyObservable */ implements Iterable<SpellAbil
                 fizzle = true;
                 // With multi-targets, as long as one target is still legal,
                 // we'll try to go through as much as possible
-                final ArrayList<Object> tgts = tgt.getTargets();
+                final List<ITargetable> tgts = tgt.getTargets();
                 final TargetChoices choices = tgt.getTargetChoices();
                 for (final Object o : tgts) {
                     boolean invalidTarget = false;