- Added Enchantment Alteration

Mage.Sets/src/mage/cards/e/EnchantmentAlteration.java

@@ -0,0 +1,145 @@
+package mage.cards.e;
+
+import java.util.UUID;
+import mage.MageItem;
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.AttachmentAttachedToCardTypePredicate;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.stack.StackObject;
+import mage.players.Player;
+import mage.target.Target;
+import mage.target.TargetPermanent;
+
+/**
+ *
+ * @author jeffwadsworth
+ */
+public final class EnchantmentAlteration extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterPermanent("aura attached to a creature or land");
+    private static final FilterPermanent filter2 = new FilterPermanent("another target permanent that shares that type of creature or land");
+
+    static {
+        filter.add(new SubtypePredicate(SubType.AURA));
+        filter.add(Predicates.or(new AttachmentAttachedToCardTypePredicate(CardType.CREATURE),
+                new AttachmentAttachedToCardTypePredicate(CardType.LAND)));
+        filter2.add(new SharesEnchantedCardTypePredicate());
+        // another target permanent is handled in this predicate
+    }
+
+    public EnchantmentAlteration(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{U}");
+
+        // Attach target Aura attached to a creature or land to another permanent of that type.
+        this.getSpellAbility().addEffect(new EnchantmentAlterationEffect());
+        TargetPermanent targetAura = new TargetPermanent(filter);
+        this.getSpellAbility().addTarget(targetAura);
+
+        TargetPermanent targetCreatureOrLandThatSharesTheEnchantedCardType = new TargetPermanent(filter2);
+        this.getSpellAbility().addTarget(targetCreatureOrLandThatSharesTheEnchantedCardType);
+
+    }
+
+    public EnchantmentAlteration(final EnchantmentAlteration card) {
+        super(card);
+    }
+
+    @Override
+    public EnchantmentAlteration copy() {
+        return new EnchantmentAlteration(this);
+    }
+
+}
+
+class SharesEnchantedCardTypePredicate implements ObjectSourcePlayerPredicate<ObjectSourcePlayer<MageItem>> {
+
+    @Override
+    public boolean apply(ObjectSourcePlayer<MageItem> input, Game game) {
+        StackObject source = game.getStack().getStackObject(input.getSourceId());
+        Permanent auraIsAttachedToThisPermanent = null;
+        Permanent newPermanentToAttachAuraTo;
+        if (source != null) {
+            if (source.getStackAbility().getTargets().isEmpty()
+                    || source.getStackAbility().getTargets().get(0).getTargets().isEmpty()) {
+                return true;
+            }
+            Permanent auraPermanent = game.getPermanent(
+                    source.getStackAbility().getTargets().get(0).getTargets().get(0)); // targeted aura enchanting land or creature
+            if (auraPermanent != null) {
+                auraIsAttachedToThisPermanent = game.getPermanent(auraPermanent.getAttachedTo());
+            }
+            if (auraIsAttachedToThisPermanent == null) { // the original permanent the aura is attached to
+                return false;
+            }
+            newPermanentToAttachAuraTo = game.getPermanent(input.getObject().getId()); // the new target creature or land to enchant
+            if (newPermanentToAttachAuraTo == auraIsAttachedToThisPermanent) {
+                return false;  // must be another permanent
+            }
+            if (auraIsAttachedToThisPermanent.isCreature()
+                    && newPermanentToAttachAuraTo.isCreature()) {
+                return true;
+            }
+            if (auraIsAttachedToThisPermanent.isLand()
+                    && newPermanentToAttachAuraTo.isLand()) {
+                return true;
+            }
+            return false;
+        }
+        return true;
+    }
+
+}
+
+class EnchantmentAlterationEffect extends OneShotEffect {
+
+    public EnchantmentAlterationEffect() {
+        super(Outcome.BoostCreature);
+        this.staticText = "Attach target Aura attached to a creature or land to another permanent of that type";
+    }
+
+    public EnchantmentAlterationEffect(final EnchantmentAlterationEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public EnchantmentAlterationEffect copy() {
+        return new EnchantmentAlterationEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            Permanent aura = game.getPermanent(source.getFirstTarget());
+            Permanent permanentToBeAttachedTo = game.getPermanent(source.getTargets().get(1).getFirstTarget());
+            if (aura != null
+                    && permanentToBeAttachedTo != null) {
+                Permanent oldPermanent = game.getPermanent(aura.getAttachedTo());
+                if (oldPermanent != null
+                        && !oldPermanent.equals(permanentToBeAttachedTo)) {
+                    Target auraTarget = aura.getSpellAbility().getTargets().get(0);
+                    if (!auraTarget.canTarget(permanentToBeAttachedTo.getId(), game)) {
+                        game.informPlayers(aura.getLogName() + " was not attched to " + permanentToBeAttachedTo.getLogName() + " because it's no legal target for the aura");
+                    } else if (oldPermanent.removeAttachment(aura.getId(), game)) {
+                        game.informPlayers(aura.getLogName() + " was unattached from " + oldPermanent.getLogName() + " and attached to " + permanentToBeAttachedTo.getLogName());
+                        permanentToBeAttachedTo.addAttachment(aura.getId(), game);
+                    }
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+}

Mage.Sets/src/mage/sets/UrzasSaga.java

@@ -111,6 +111,7 @@ public final class UrzasSaga extends ExpansionSet {
         cards.add(new SetCardInfo("Elite Archers", 13, Rarity.RARE, mage.cards.e.EliteArchers.class));
         cards.add(new SetCardInfo("Elvish Herder", 247, Rarity.COMMON, mage.cards.e.ElvishHerder.class));
         cards.add(new SetCardInfo("Elvish Lyrist", 248, Rarity.COMMON, mage.cards.e.ElvishLyrist.class));
+        cards.add(new SetCardInfo("Enchantment Alteration", 72, Rarity.UNCOMMON, mage.cards.e.EnchantmentAlteration.class));
         cards.add(new SetCardInfo("Endless Wurm", 249, Rarity.RARE, mage.cards.e.EndlessWurm.class));
         cards.add(new SetCardInfo("Endoskeleton", 294, Rarity.UNCOMMON, mage.cards.e.Endoskeleton.class));
         cards.add(new SetCardInfo("Energy Field", 73, Rarity.RARE, mage.cards.e.EnergyField.class));