[BRO] Implement One with the Multiverse

Mage.Sets/src/mage/cards/o/OneWithTheMultiverse.java

@@ -0,0 +1,125 @@
+package mage.cards.o;
+
+import mage.MageIdentifier;
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.AsThoughEffectImpl;
+import mage.abilities.effects.common.continuous.LookAtTopCardOfLibraryAnyTimeEffect;
+import mage.abilities.effects.common.continuous.PlayTheTopCardEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+import mage.util.CardUtil;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class OneWithTheMultiverse extends CardImpl {
+
+    public OneWithTheMultiverse(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{6}{U}{U}");
+
+        // You may look at the top card of your library any time.
+        this.addAbility(new SimpleStaticAbility(new LookAtTopCardOfLibraryAnyTimeEffect()));
+
+        // You may play lands and cast spells from the top of your library.
+        this.addAbility(new SimpleStaticAbility(new PlayTheTopCardEffect()));
+
+        // Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.
+        this.addAbility(new SimpleStaticAbility(new OneWithTheMultiverseEffect())
+                .setIdentifier(MageIdentifier.OneWithTheMultiverseWatcher), new OneWithTheMultiverseWatcher());
+    }
+
+    private OneWithTheMultiverse(final OneWithTheMultiverse card) {
+        super(card);
+    }
+
+    @Override
+    public OneWithTheMultiverse copy() {
+        return new OneWithTheMultiverse(this);
+    }
+}
+
+class OneWithTheMultiverseEffect extends AsThoughEffectImpl {
+
+    public OneWithTheMultiverseEffect() {
+        super(AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE, Duration.WhileOnBattlefield, Outcome.PlayForFree, true);
+        staticText = "once during each of your turns, you may cast a spell from your hand " +
+                "or the top of your library without paying its mana cost.";
+    }
+
+    private OneWithTheMultiverseEffect(final OneWithTheMultiverseEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public OneWithTheMultiverseEffect copy() {
+        return new OneWithTheMultiverseEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public boolean applies(UUID objectId, Ability source, UUID affectedControllerId, Game game) {
+        if (!source.isControlledBy(affectedControllerId) || !game.isActivePlayer(source.getControllerId())) {
+            return false;
+        }
+        Player controller = game.getPlayer(source.getControllerId());
+        Card card = game.getCard(CardUtil.getMainCardId(game, objectId));
+        OneWithTheMultiverseWatcher watcher = game.getState().getWatcher(OneWithTheMultiverseWatcher.class);
+        if (controller == null
+                || card == null
+                || watcher == null
+                || watcher.isAbilityUsed(new MageObjectReference(source))
+                || !card.isOwnedBy(source.getControllerId())) {
+            return false;
+        }
+        Zone zone = game.getState().getZone(card.getId());
+        if (!Zone.HAND.match(zone) &&
+                (!Zone.LIBRARY.match(zone) || !controller.getLibrary().getFromTop(game).getId().equals(card.getId()))) {
+            return false;
+        }
+        allowCardToPlayWithoutMana(objectId, source, affectedControllerId, game);
+        return true;
+    }
+}
+
+class OneWithTheMultiverseWatcher extends Watcher {
+
+    private final Set<MageObjectReference> usedFrom = new HashSet<>();
+
+    public OneWithTheMultiverseWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.SPELL_CAST
+                && event.hasApprovingIdentifier(MageIdentifier.OneWithTheMultiverseWatcher)) {
+            usedFrom.add(event.getAdditionalReference().getApprovingMageObjectReference());
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        usedFrom.clear();
+    }
+
+    public boolean isAbilityUsed(MageObjectReference mor) {
+        return usedFrom.contains(mor);
+    }
+}

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

@@ -204,6 +204,7 @@ public final class TheBrothersWar extends ExpansionSet {
         cards.add(new SetCardInfo("No One Left Behind", 109, Rarity.UNCOMMON, mage.cards.n.NoOneLeftBehind.class));
         cards.add(new SetCardInfo("Obliterating Bolt", 145, Rarity.UNCOMMON, mage.cards.o.ObliteratingBolt.class));
         cards.add(new SetCardInfo("Obstinate Baloth", 187, Rarity.UNCOMMON, mage.cards.o.ObstinateBaloth.class));
+        cards.add(new SetCardInfo("One with the Multiverse", 59, Rarity.MYTHIC, mage.cards.o.OneWithTheMultiverse.class));
         cards.add(new SetCardInfo("Over the Top", 146, Rarity.RARE, mage.cards.o.OverTheTop.class));
         cards.add(new SetCardInfo("Overwhelming Remorse", 110, Rarity.COMMON, mage.cards.o.OverwhelmingRemorse.class));
         cards.add(new SetCardInfo("Painful Quandary", 111, Rarity.RARE, mage.cards.p.PainfulQuandary.class));

Mage/src/main/java/mage/MageIdentifier.java

@@ -17,5 +17,6 @@ public enum MageIdentifier {
     ShareTheSpoilsWatcher,
     WishWatcher,
     GlimpseTheCosmosWatcher,
-    SerraParagonWatcher
+    SerraParagonWatcher,
+    OneWithTheMultiverseWatcher
 }