* Fixed a bug that target event was wrongly created if effects like chnage target of Spellskite didn't change the target.

Mage.Sets/src/mage/sets/riseoftheeldrazi/FlameSlash.java

@@ -1,16 +1,16 @@
 /*
  *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
- * 
+ *
  *  Redistribution and use in source and binary forms, with or without modification, are
  *  permitted provided that the following conditions are met:
- * 
+ *
  *     1. Redistributions of source code must retain the above copyright notice, this list of
  *        conditions and the following disclaimer.
- * 
+ *
  *     2. Redistributions in binary form must reproduce the above copyright notice, this list
  *        of conditions and the following disclaimer in the documentation and/or other materials
  *        provided with the distribution.
- * 
+ *
  *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
@@ -20,19 +20,18 @@
  *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  *  The views and conclusions contained in the software and documentation are those of the
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.sets.riseoftheeldrazi;
 
 import java.util.UUID;
-import mage.constants.CardType;
-import mage.constants.Rarity;
 import mage.abilities.effects.common.DamageTargetEffect;
 import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Rarity;
 import mage.target.common.TargetCreaturePermanent;
 
 /**
@@ -45,6 +44,7 @@ public class FlameSlash extends CardImpl {
         super(ownerId, 145, "Flame Slash", Rarity.COMMON, new CardType[]{CardType.SORCERY}, "{R}");
         this.expansionSetCode = "ROE";
 
+        // Flame Slash deals 4 damage to target creature.
         this.getSpellAbility().addTarget(new TargetCreaturePermanent());
         this.getSpellAbility().addEffect(new DamageTargetEffect(4));
     }

Mage.Tests/src/test/java/org/mage/test/cards/triggers/SpellskiteTest.java

@@ -225,4 +225,29 @@ public class SpellskiteTest extends CardTestPlayerBase {
         assertLife(playerB, 20);
 
     }
+
+    /**
+     * When an AI opponent casts a spell targeting one of my creatures, Wild
+     * Defiance does not trigger. (Tested with Flame Slash, which was able to
+     * kill my Spellskite)
+     */
+    @Test
+    public void testWildDefiance() {
+        addCard(Zone.BATTLEFIELD, playerA, "Mountain", 1);
+        // Flame Slash deals 4 damage to target creature.
+        addCard(Zone.HAND, playerA, "Flame Slash"); // {R}
+
+        // Whenever a creature you control becomes the target of an instant or sorcery spell, that creature gets +3/+3 until end of turn.
+        addCard(Zone.BATTLEFIELD, playerB, "Wild Defiance", 1);
+        addCard(Zone.BATTLEFIELD, playerB, "Spellskite", 1);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Flame Slash", "Spellskite");
+
+        setStopAt(1, PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        assertGraveyardCount(playerA, "Flame Slash", 1);
+        assertPowerToughness(playerB, "Spellskite", 3, 7);
+    }
+
 }

Mage/src/main/java/mage/abilities/effects/common/ChangeATargetOfTargetSpellAbilityToSourceEffect.java

@@ -58,6 +58,9 @@ public class ChangeATargetOfTargetSpellAbilityToSourceEffect extends OneShotEffe
             boolean twoTimesTarget = false;
             if (targets.size() == 1 && targets.get(0).getTargets().size() == 1) {
                 Target target = targets.get(0);
+                if (target.getFirstTarget().equals(source.getSourceId())) {
+                    return true; // Target was already the same source, so no change / target event to create
+                }
                 if (target.canTarget(stackObject.getControllerId(), source.getSourceId(), sourceAbility, game)) {
                     oldTargetName = getTargetName(targets.getFirstTarget(), game);
                     target.clearChosen();