* Added test and some minor changes.

Mage.Sets/src/mage/sets/magic2012/PhantasmalImage.java

@@ -110,7 +110,9 @@ class PhantasmalImageCopyEffect extends OneShotEffect {
                             if (!permanent.getSubtype().contains("Illusion")) {
                                 permanent.getSubtype().add("Illusion");
                             }
-                            permanent.addAbility(new BecomesTargetTriggeredAbility(new SacrificeSourceEffect()), game);
+                            // Add directly because the created permanent is only used to copy from, so there is no need to add the ability to e.g. TriggeredAbilities
+                            permanent.getAbilities().add(new BecomesTargetTriggeredAbility(new SacrificeSourceEffect()));
+                            //permanent.addAbility(new BecomesTargetTriggeredAbility(new SacrificeSourceEffect()), game);
                             return true;
                         }
                     });

Mage.Sets/src/mage/sets/scarsofmirrodin/WurmcoilEngine.java

@@ -54,9 +54,11 @@ public class WurmcoilEngine extends CardImpl {
         this.power = new MageInt(6);
         this.toughness = new MageInt(6);
 
-        
+        // Deathtouch, lifelink
         this.addAbility(DeathtouchAbility.getInstance());
         this.addAbility(LifelinkAbility.getInstance());
+        
+        // When Wurmcoil Engine dies, put a 3/3 colorless Wurm artifact creature token with deathtouch and a 3/3 colorless Wurm artifact creature token with lifelink onto the battlefield.        
         Ability ability = new DiesTriggeredAbility(new CreateTokenEffect(new Wurm1Token(expansionSetCode)), false);
         ability.addEffect(new CreateTokenEffect(new Wurm2Token(expansionSetCode)));
         this.addAbility(ability);

Mage.Sets/src/mage/sets/tenthedition/Clone.java

@@ -53,6 +53,7 @@ public class Clone extends CardImpl {
         this.power = new MageInt(0);
         this.toughness = new MageInt(0);
 
+        // You may have Clone enter the battlefield as a copy of any creature on the battlefield.
         Ability ability = new SimpleStaticAbility(Zone.BATTLEFIELD, new EntersBattlefieldEffect(
                 new CopyPermanentEffect(),
                 "You may have {this} enter the battlefield as a copy of any creature on the battlefield",

Mage.Sets/src/mage/sets/tenthedition/Nightmare.java

@@ -61,7 +61,11 @@ public class Nightmare extends CardImpl {
 
         this.power = new MageInt(0);
         this.toughness = new MageInt(0);
+        
+        // Flying        
         this.addAbility(FlyingAbility.getInstance());
+        
+        // Nightmare's power and toughness are each equal to the number of Swamps you control.
         this.addAbility(new SimpleStaticAbility(Zone.ALL, new SetPowerToughnessSourceEffect(new PermanentsOnBattlefieldCount(filter), Duration.EndOfGame)));
     }
 

Mage.Tests/src/test/java/org/mage/test/cards/copy/CloneTest.java

@@ -108,9 +108,11 @@ public class CloneTest extends CardTestPlayerBase {
         addCard(Zone.BATTLEFIELD, playerA, "Swamp", 1);
         addCard(Zone.BATTLEFIELD, playerB, "Swamp", 6);
         addCard(Zone.BATTLEFIELD, playerB, "Forest", 1);
+        // Target creature you control gets +1/+1 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
         addCard(Zone.HAND, playerB, "Ranger's Guile");
 
         addCard(Zone.HAND, playerA, "Clone");
+        // Return target nonland permanent to its owner's hand.
         addCard(Zone.HAND, playerA, "Disperse");
 
         addCard(Zone.BATTLEFIELD, playerB, "Nightmare", 1);

Mage.Tests/src/test/java/org/mage/test/cards/copy/PhantasmalImageTest.java

@@ -526,4 +526,49 @@ public class PhantasmalImageTest extends CardTestPlayerBase {
         assertPowerToughness(playerB,  "Butcher Ghoul", 2, 2);
 
     }
+
+    /**
+     * 12:29: Attacker: Wurmcoil Engine [466] (6/6) blocked by Wurmcoil Engine
+     * [4ed] (6/6) 
+     * 12:29: yespair gains 6 life 
+     * 12:29: HipSomHap gains 6 life
+     * 12:29: Wurmcoil Engine [4ed] died 
+     * 12:29: Ability triggers: Wurmcoil Engine [4ed] - When Wurmcoil Engine [4ed] dies, put a a 3/3 colorless
+     * Wurm artifact creature token with deathtouch onto the battlefield. Put a
+     * a 3/3 colorless Wurm artifact creature token with lifelink onto the
+     * battlefield. 
+     * 12:29: Phantasmal Image [466] died 
+     * 12:29: HipSomHap puts a Wurm [7d0] token onto the battlefield 
+     * 12:29: HipSomHap puts a Wurm [186] token onto the battlefield
+     *
+     * To the best of my knowledge, the Phantasmal Image [466], which entered
+     * the battlefield as a Wurmcoil Engine, should grant tokens through the
+     * Dies-trigger as well, right?
+     */
+
+    @Test
+    public void testDiesTriggered2() {
+        addCard(Zone.BATTLEFIELD, playerB, "Wurmcoil Engine");
+
+        addCard(Zone.BATTLEFIELD, playerA, "Island", 2);
+        addCard(Zone.HAND, playerA, "Phantasmal Image");
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Phantasmal Image"); // not targeted
+        setChoice(playerB, "Wurmcoil Engine");
+
+        attack(2, playerB, "Wurmcoil Engine");
+        block(2, playerA, "Wurmcoil Engine", "Wurmcoil Engine");
+        setStopAt(2, PhaseStep.POSTCOMBAT_MAIN);
+        execute();
+
+        assertLife(playerB, 26);
+        assertLife(playerA, 26);
+
+        assertGraveyardCount(playerA, "Phantasmal Image", 1);
+        assertGraveyardCount(playerB, "Wurmcoil Engine", 1);
+
+        assertPermanentCount(playerA, "Wurm", 2);
+        assertPermanentCount(playerB, "Wurm", 2);
+
+    }    
 }