- Some fixes for Possibility Storm.

res/cardsfolder/p/possibility_storm.txt

@@ -4,7 +4,7 @@ Types:Enchantment
 T:Mode$ SpellCast | ValidCard$ Card.wasCastFromHand | Execute$ TrigExileSpell | TriggerZones$ Battlefield | TriggerDescription$ Whenever a player casts a spell from his or her hand, that player exiles it, then exiles cards from the top of his or her library until he or she exiles a card that shares a card type with it. That player may cast that card without paying its mana cost. Then he or she puts all cards exiled with CARDNAME on the bottom of his or her library in a random order.
 SVar:TrigExileSpell:AB$ ChangeZone | Cost$ 0 | Defined$ TriggeredCard | Origin$ Stack | Destination$ Exile | Fizzle$ True | SubAbility$ DBDig | Imprint$ True
 SVar:DBDig:DB$ DigUntil | Defined$ TriggeredCardController | Valid$ Card.sharesTypeWith FirstImprinted | ValidDescription$ shares a card type with exiled card | FoundDestination$ Exile | RevealedDestination$ Exile | RememberFound$ True | ImprintRevealed$ True | SubAbility$ DBPlay
-SVar:DBPlay:DB$ Play | Defined$ Remembered | Controller$ RememberedController | WithoutManaCost$ True | Optional$ True | SubAbility$ DBChangeZone
+SVar:DBPlay:DB$ Play | Defined$ Remembered | Controller$ TriggeredCardController | WithoutManaCost$ True | Optional$ True | SubAbility$ DBChangeZone
 SVar:DBChangeZone:DB$ ChangeZoneAll | Origin$ Exile | ChangeType$ Card.IsRemembered,Card.IsImprinted | Destination$ Library | LibraryPosition$ -1 | RandomOrder$ True | SubAbility$ DBPossibilityCleanup
 SVar:DBPossibilityCleanup:DB$ Cleanup | ClearRemembered$ True | ClearImprinted$ True
 SVar:Picture:http://www.wizards.com/global/images/magic/general/possibility_storm.jpg

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

@@ -524,10 +524,12 @@ public class ChangeZoneEffect extends SpellAbilityEffect {
                             for (SpellAbility spell : spells) {
                                 if (tgtC.isInZone(ZoneType.Exile)) {
                                     final SpellAbilityStackInstance si = game.getStack().getInstanceFromSpellAbility(spell);
+                                    if (si != null) { 
                                         game.getStack().remove(si);
                                     }
                                 }
                             }
+                        }
                         if (sa.hasParam("ExileFaceDown")) {
                             movedCard.setState(CardCharacteristicName.FaceDown);
                         }

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

@@ -206,7 +206,7 @@ public class PlayEffect extends SpellAbilityEffect {
             // get basic spells (no flashback, etc.)
             ArrayList<SpellAbility> sas = new ArrayList<SpellAbility>();
             for (SpellAbility s : tgtCard.getBasicSpells()) {
-                final SpellAbility newSA = s.copy();
+                final Spell newSA = (Spell) s.copy();
                 newSA.setActivatingPlayer(controller);
                 SpellAbilityRestriction res = new SpellAbilityRestriction();
                 // timing restrictions still apply
@@ -216,7 +216,7 @@ public class PlayEffect extends SpellAbilityEffect {
                 res.setZone(null);
                 newSA.setRestrictions(res);
                 // timing restrictions still apply
-                if (res.checkTimingRestrictions(tgtCard, newSA)) {
+                if (res.checkTimingRestrictions(tgtCard, newSA) && newSA.checkOtherRestrictions()) {
                     sas.add(newSA);
                 }
             }

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

@@ -101,20 +101,26 @@ public abstract class Spell extends SpellAbility implements java.io.Serializable
             }
         }
 
+        return checkOtherRestrictions();
+    } // canPlay()
+    
+    public boolean checkOtherRestrictions() {
+        final Card source = this.getSourceCard();
+        Player activator = getActivatingPlayer();
+        final Game game = activator.getGame();
         // CantBeCast static abilities
         final List<Card> allp = new ArrayList<Card>(game.getCardsIn(ZoneType.listValueOf("Battlefield,Command")));
-        allp.add(card);
+        allp.add(source);
         for (final Card ca : allp) {
             final ArrayList<StaticAbility> staticAbilities = ca.getStaticAbilities();
             for (final StaticAbility stAb : staticAbilities) {
-                if (stAb.applyAbility("CantBeCast", card, activator)) {
+                if (stAb.applyAbility("CantBeCast", source, activator)) {
                     return false;
                 }
             }
         }
-
         return true;
-    } // canPlay()
+    }
 
     /** {@inheritDoc} */
     @Override

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

@@ -316,10 +316,9 @@ public class MagicStack /* extends MyObservable */ implements Iterable<SpellAbil
             //GuiDisplayUtil.updateGUI();
         } else {
             for (OptionalCost s : sp.getOptionalCosts()) {
-                
                 sp.getSourceCard().addOptionalCostPaid(s);
             }
-            if (sp.getSourceCard().isCopiedSpell()) {
+            if (sp.isCopied()) {
                 si = this.push(sp);
             } else {
                 if (sp.isMultiKicker()) {
@@ -474,7 +473,7 @@ public class MagicStack /* extends MyObservable */ implements Iterable<SpellAbil
             game.getPhaseHandler().setPriority(sp.getActivatingPlayer());
         }
 
-        if (sp.isSpell() && !sp.getSourceCard().isCopiedSpell()) {
+        if (sp.isSpell() && !sp.isCopied()) {
             this.thisTurnCast.add(sp.getSourceCard());
 
             final Game game = sp.getActivatingPlayer().getGame();