add targets pointer

Mage/src/mage/abilities/effects/EffectImpl.java

@@ -32,6 +32,8 @@ import java.util.UUID;
 import mage.Constants.EffectType;
 import mage.Constants.Outcome;
 import mage.abilities.Ability;
+import mage.target.targetpointer.FirstTargetPointer;
+import mage.target.targetpointer.TargetPointer;
 
 /**
  *
@@ -42,6 +44,7 @@ public abstract class EffectImpl<T extends Effect<T>> implements Effect<T> {
 	protected UUID id;
 	protected final Outcome outcome;
 	protected EffectType effectType;
+    protected TargetPointer targetPointer = FirstTargetPointer.getInstance();
     protected String staticText = "";
 
 	public EffectImpl(Outcome outcome) {
@@ -54,6 +57,7 @@ public abstract class EffectImpl<T extends Effect<T>> implements Effect<T> {
 		this.outcome = effect.outcome;
 		this.effectType = effect.effectType;
         this.staticText = effect.staticText;
+        this.targetPointer = effect.targetPointer.copy();
 	}
 
 	@Override
@@ -87,4 +91,8 @@ public abstract class EffectImpl<T extends Effect<T>> implements Effect<T> {
 	public EffectType getEffectType() {
 		return effectType;
 	}
+
+    public void setTargetPointer(TargetPointer targetPointer) {
+        this.targetPointer = targetPointer;
+    }
 }

Mage/src/mage/abilities/effects/common/AddPoisonCounterTargetEffect.java

@@ -63,7 +63,7 @@ public class AddPoisonCounterTargetEffect extends OneShotEffect<AddPoisonCounter
 
     @Override
     public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getFirstTarget());
+        Player player = game.getPlayer(targetPointer.getFirst(source));
         if (player != null) {
             player.getCounters().addCounter(CounterType.POISON.createInstance(amount));
             return true;

Mage/src/mage/target/targetpointer/FirstTargetPointer.java

@@ -0,0 +1,32 @@
+package mage.target.targetpointer;
+
+import mage.abilities.Ability;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class FirstTargetPointer implements TargetPointer {
+    private static FirstTargetPointer instance = new FirstTargetPointer();
+
+    public static FirstTargetPointer getInstance() {
+        return instance;
+    }
+
+    @Override
+    public List<UUID> getTargets(Ability source) {
+        ArrayList<UUID> target = new ArrayList<UUID>();
+        target.add(source.getFirstTarget());
+        return target;
+    }
+
+    @Override
+    public UUID getFirst(Ability source) {
+        return source.getFirstTarget();
+    }
+
+    @Override
+    public TargetPointer copy() {
+        return instance;
+    }
+}

Mage/src/mage/target/targetpointer/TargetPointer.java

@@ -0,0 +1,12 @@
+package mage.target.targetpointer;
+
+import mage.abilities.Ability;
+
+import java.util.List;
+import java.util.UUID;
+
+public interface TargetPointer {
+    List<UUID> getTargets(Ability source);
+    UUID getFirst(Ability source);
+    TargetPointer copy();
+}