[TLA] Implement Koh, the Face Stealer

Mage.Sets/src/mage/cards/k/KohTheFaceStealer.java

@@ -0,0 +1,167 @@
+package mage.cards.k;
+
+import mage.MageInt;
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.common.DiesCreatureTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.PayLifeCost;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ExileTargetForSourceEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+import mage.filter.predicate.permanent.TokenPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetCardInExile;
+import mage.util.CardUtil;
+
+import java.util.HashSet;
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KohTheFaceStealer extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent("another nontoken creature");
+
+    static {
+        filter.add(AnotherPredicate.instance);
+        filter.add(TokenPredicate.FALSE);
+    }
+
+    public KohTheFaceStealer(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{B}{B}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.SHAPESHIFTER);
+        this.subtype.add(SubType.SPIRIT);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(6);
+
+        // When Koh enters, exile up to one other target creature.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new ExileTargetForSourceEffect());
+        ability.addTarget(new TargetPermanent(0, 1, StaticFilters.FILTER_ANOTHER_TARGET_CREATURE));
+        this.addAbility(ability);
+
+        // Whenever another nontoken creature dies, you may exile it.
+        this.addAbility(new DiesCreatureTriggeredAbility(
+                new ExileTargetForSourceEffect().withTargetDescription("it"), true, filter, true
+        ));
+
+        // Pay 1 life: Choose a creature card exiled with Koh.
+        this.addAbility(new SimpleActivatedAbility(new KohTheFaceStealerChooseEffect(), new PayLifeCost(1)));
+
+        // Koh has all activated and triggered abilities of the last chosen card.
+        this.addAbility(new SimpleStaticAbility(new KohTheFaceStealerAbilityEffect()));
+    }
+
+    private KohTheFaceStealer(final KohTheFaceStealer card) {
+        super(card);
+    }
+
+    @Override
+    public KohTheFaceStealer copy() {
+        return new KohTheFaceStealer(this);
+    }
+}
+
+class KohTheFaceStealerChooseEffect extends OneShotEffect {
+
+    KohTheFaceStealerChooseEffect() {
+        super(Outcome.Benefit);
+        staticText = "choose a creature card exiled with {this}";
+    }
+
+    private KohTheFaceStealerChooseEffect(final KohTheFaceStealerChooseEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KohTheFaceStealerChooseEffect copy() {
+        return new KohTheFaceStealerChooseEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (player == null || permanent == null) {
+            return false;
+        }
+        UUID exileId = CardUtil.getExileZoneId(game, source);
+        if (Optional
+                .ofNullable(game.getExile().getExileZone(exileId))
+                .filter(HashSet::isEmpty)
+                .isPresent()) {
+            return false;
+        }
+        TargetCard target = new TargetCardInExile(StaticFilters.FILTER_CARD_CREATURE, exileId);
+        target.withNotTarget(true);
+        player.choose(outcome, target, source, game);
+        Card card = game.getCard(target.getFirstTarget());
+        if (card == null) {
+            return false;
+        }
+        game.getState().setValue(
+                CardUtil.getObjectZoneString(
+                        "chosenCard", permanent.getId(), game,
+                        permanent.getZoneChangeCounter(game), false
+                ),
+                new MageObjectReference(card, game)
+        );
+        permanent.addInfo("chosen card", CardUtil.addToolTipMarkTags("Chosen Card " + card.getIdName()), game);
+        return true;
+    }
+}
+
+class KohTheFaceStealerAbilityEffect extends ContinuousEffectImpl {
+
+    KohTheFaceStealerAbilityEffect() {
+        super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.Benefit);
+        staticText = "{this} has all activated and triggered abilities of the last chosen card";
+    }
+
+    private KohTheFaceStealerAbilityEffect(final KohTheFaceStealerAbilityEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KohTheFaceStealerAbilityEffect copy() {
+        return new KohTheFaceStealerAbilityEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        Card card = Optional
+                .ofNullable(CardUtil.getCardZoneString("chosenCard", source.getSourceId(), game, false))
+                .map(game.getState()::getValue)
+                .map(MageObjectReference.class::cast)
+                .map(mor -> mor.getCard(game))
+                .orElse(null);
+        if (permanent == null || card == null) {
+            return false;
+        }
+        for (Ability ability : card.getAbilities(game)) {
+            if (ability.isActivatedAbility() || ability.isTriggeredAbility()) {
+                permanent.addAbility(ability, source.getSourceId(), game, true);
+            }
+        }
+        return true;
+    }
+}

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

@@ -234,6 +234,8 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Katara, the Fearless", 350, Rarity.RARE, mage.cards.k.KataraTheFearless.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Katara, the Fearless", 361, Rarity.RARE, mage.cards.k.KataraTheFearless.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Knowledge Seeker", 60, Rarity.UNCOMMON, mage.cards.k.KnowledgeSeeker.class));
+        cards.add(new SetCardInfo("Koh, the Face Stealer", 107, Rarity.MYTHIC, mage.cards.k.KohTheFaceStealer.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Koh, the Face Stealer", 322, Rarity.MYTHIC, mage.cards.k.KohTheFaceStealer.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Kyoshi Battle Fan", 257, Rarity.COMMON, mage.cards.k.KyoshiBattleFan.class));
         cards.add(new SetCardInfo("Kyoshi Island Plaza", 184, Rarity.UNCOMMON, mage.cards.k.KyoshiIslandPlaza.class));
         cards.add(new SetCardInfo("Kyoshi Village", 271, Rarity.COMMON, mage.cards.k.KyoshiVillage.class));