[FIN] Implement The Darkness Crystal

Mage.Sets/src/mage/cards/t/TheDarknessCrystal.java

@@ -0,0 +1,174 @@
+package mage.cards.t;
+
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.cost.SpellsCostReductionControllerEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.counters.Counters;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.filter.predicate.mageobject.ColorPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+import mage.players.Player;
+import mage.target.common.TargetCardInExile;
+import mage.util.CardUtil;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class TheDarknessCrystal extends CardImpl {
+
+    private static final FilterCard filter = new FilterCard("black spells");
+    private static final FilterCard filter2 = new FilterCreatureCard("exiled with this");
+
+    static {
+        filter.add(new ColorPredicate(ObjectColor.BLACK));
+        filter2.add(TheDarknessCrystalPredicate.instance);
+    }
+
+    public TheDarknessCrystal(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}{B}{B}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+
+        // Black spells you cast cost {1} less to cast.
+        this.addAbility(new SimpleStaticAbility(new SpellsCostReductionControllerEffect(filter, 1)));
+
+        // If a nontoken creature an opponent controls would die, instead exile it and you gain 2 life.
+        this.addAbility(new SimpleStaticAbility(new TheDarknessCrystalExileEffect()));
+
+        // {4}{B}{B}, {T}: Put target creature card exiled with The Darkness Crystal onto the battlefield tapped under your control with two additional +1/+1 counters on it.
+        Ability ability = new SimpleActivatedAbility(
+                new TheDarknessCrystalReturnEffect(), new ManaCostsImpl<>("{4}{B}{B}")
+        );
+        ability.addCost(new TapSourceCost());
+        ability.addTarget(new TargetCardInExile(filter2));
+        this.addAbility(ability);
+    }
+
+    private TheDarknessCrystal(final TheDarknessCrystal card) {
+        super(card);
+    }
+
+    @Override
+    public TheDarknessCrystal copy() {
+        return new TheDarknessCrystal(this);
+    }
+}
+
+enum TheDarknessCrystalPredicate implements ObjectSourcePlayerPredicate<Card> {
+    instance;
+
+    @Override
+    public boolean apply(ObjectSourcePlayer<Card> input, Game game) {
+        return Optional
+                .ofNullable(CardUtil.getExileZoneId(
+                        game, input.getSourceId(),
+                        game.getState().getZoneChangeCounter(input.getSourceId())
+                ))
+                .map(game.getExile()::getExileZone)
+                .map(e -> e.contains(input.getObject().getId()))
+                .orElse(false);
+    }
+}
+
+class TheDarknessCrystalExileEffect extends ReplacementEffectImpl {
+
+    TheDarknessCrystalExileEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "if a nontoken creature an opponent controls would die, instead exile it and you gain 2 life";
+    }
+
+    private TheDarknessCrystalExileEffect(final TheDarknessCrystalExileEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TheDarknessCrystalExileEffect copy() {
+        return new TheDarknessCrystalExileEffect(this);
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Player player = game.getPlayer(source.getControllerId());
+        Card card = Optional
+                .ofNullable(event)
+                .map(ZoneChangeEvent.class::cast)
+                .map(ZoneChangeEvent::getTarget)
+                .map(Card.class::cast)
+                .orElseGet(() -> game.getCard(event.getTargetId()));
+        if (player == null || card == null) {
+            return false;
+        }
+        player.moveCardsToExile(
+                card, source, game, true,
+                CardUtil.getExileZoneId(
+                        game, source.getSourceId(),
+                        game.getState().getZoneChangeCounter(source.getSourceId())
+                ),
+                CardUtil.getSourceName(game, source)
+        );
+        player.gainLife(2, game, source);
+        return true;
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+        return zEvent.isDiesEvent()
+                && zEvent.getTarget().isCreature(game)
+                && game.getOpponents(source.getControllerId()).contains(zEvent.getTarget().getControllerId());
+    }
+
+}
+
+class TheDarknessCrystalReturnEffect extends OneShotEffect {
+
+    TheDarknessCrystalReturnEffect() {
+        super(Outcome.Benefit);
+        staticText = "put target creature card exiled with {this} onto the battlefield tapped " +
+                "under your control with two additional +1/+1 counters on it";
+    }
+
+    private TheDarknessCrystalReturnEffect(final TheDarknessCrystalReturnEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TheDarknessCrystalReturnEffect copy() {
+        return new TheDarknessCrystalReturnEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        Card card = game.getCard(getTargetPointer().getFirst(game, source));
+        if (player == null || card == null) {
+            return false;
+        }
+        game.setEnterWithCounters(card.getId(), new Counters(CounterType.P1P1.createInstance(2)));
+        return player.moveCards(card, Zone.BATTLEFIELD, source, game, true, false, false, null);
+    }
+}

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

@@ -412,6 +412,8 @@ public final class FinalFantasy extends ExpansionSet {
         cards.add(new SetCardInfo("Terra, Magical Adept", 323, Rarity.MYTHIC, mage.cards.t.TerraMagicalAdept.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Terra, Magical Adept", 511, Rarity.MYTHIC, mage.cards.t.TerraMagicalAdept.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Crystal's Chosen", 14, Rarity.UNCOMMON, mage.cards.t.TheCrystalsChosen.class));
+        cards.add(new SetCardInfo("The Darkness Crystal", 335, Rarity.RARE, mage.cards.t.TheDarknessCrystal.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("The Darkness Crystal", 96, Rarity.RARE, mage.cards.t.TheDarknessCrystal.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Earth Crystal", 184, Rarity.RARE, mage.cards.t.TheEarthCrystal.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Earth Crystal", 342, Rarity.RARE, mage.cards.t.TheEarthCrystal.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Emperor of Palamecia", 219, Rarity.UNCOMMON, mage.cards.t.TheEmperorOfPalamecia.class, NON_FULL_USE_VARIOUS));

Mage/src/main/java/mage/counters/Counters.java

@@ -14,7 +14,10 @@ import java.util.stream.Collectors;
  */
 public class Counters extends HashMap<String, Counter> implements Serializable, Copyable<Counters> {
 
-    public Counters() {
+    public Counters(Counter... counters) {
+        for (Counter counter : counters) {
+            this.addCounter(counter);
+        }
     }
 
     protected Counters(final Counters counters) {