Implemented Dream Eater

Mage.Sets/src/mage/cards/d/DreamEater.java

@@ -0,0 +1,129 @@
+package mage.cards.d;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ReturnToHandTargetEffect;
+import mage.abilities.effects.common.SendOptionUsedEventEffect;
+import mage.abilities.effects.keyword.SurveilEffect;
+import mage.constants.SubType;
+import mage.abilities.keyword.FlashAbility;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.TargetController;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterNonlandPermanent;
+import mage.filter.predicate.permanent.ControllerPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.target.TargetPermanent;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class DreamEater extends CardImpl {
+
+    public DreamEater(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{U}{U}");
+
+        this.subtype.add(SubType.NIGHTMARE);
+        this.subtype.add(SubType.SPHINX);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(3);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // When Dream Eater enters the battlefield, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand.
+        Ability ability = new EntersBattlefieldTriggeredAbility(
+                new SurveilEffect(4)
+        );
+        ability.addEffect(new DreamEaterCreateReflexiveTriggerEffect());
+        this.addAbility(ability);
+    }
+
+    public DreamEater(final DreamEater card) {
+        super(card);
+    }
+
+    @Override
+    public DreamEater copy() {
+        return new DreamEater(this);
+    }
+}
+
+class DreamEaterCreateReflexiveTriggerEffect extends OneShotEffect {
+
+    public DreamEaterCreateReflexiveTriggerEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "When you do, you may return target "
+                + "nonland permanent an opponent controls to its owner's hand.";
+    }
+
+    public DreamEaterCreateReflexiveTriggerEffect(final DreamEaterCreateReflexiveTriggerEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public DreamEaterCreateReflexiveTriggerEffect copy() {
+        return new DreamEaterCreateReflexiveTriggerEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        game.addDelayedTriggeredAbility(new DreamEaterReflexiveTriggeredAbility(), source);
+        return new SendOptionUsedEventEffect().apply(game, source);
+    }
+}
+
+class DreamEaterReflexiveTriggeredAbility extends DelayedTriggeredAbility {
+
+    private static final FilterPermanent filter
+            = new FilterNonlandPermanent("nonland permanent an opponent controls");
+
+    static {
+        filter.add(new ControllerPredicate(TargetController.OPPONENT));
+    }
+
+    public DreamEaterReflexiveTriggeredAbility() {
+        super(new ReturnToHandTargetEffect());
+        this.addTarget(new TargetPermanent(filter));
+        this.optional = true;
+    }
+
+    public DreamEaterReflexiveTriggeredAbility(final DreamEaterReflexiveTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public DreamEaterReflexiveTriggeredAbility copy() {
+        return new DreamEaterReflexiveTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.OPTION_USED;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return event.getPlayerId().equals(this.getControllerId())
+                && event.getSourceId().equals(this.getSourceId());
+    }
+
+    @Override
+    public String getRule() {
+        return "When you surveil 4, you may return target nonland permanent "
+                + "an opponent controls to its owner's hand.";
+    }
+}

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

@@ -32,6 +32,7 @@ public final class GuildsOfRavnica extends ExpansionSet {
         cards.add(new SetCardInfo("Deadly Visit", 68, Rarity.COMMON, mage.cards.d.DeadlyVisit.class));
         cards.add(new SetCardInfo("Dimir Informant", 36, Rarity.COMMON, mage.cards.d.DimirInformant.class));
         cards.add(new SetCardInfo("Direct Current", 96, Rarity.COMMON, mage.cards.d.DirectCurrent.class));
+        cards.add(new SetCardInfo("Dream Eater", 38, Rarity.MYTHIC, mage.cards.d.DreamEater.class));
         cards.add(new SetCardInfo("Emmara, Soul of the Accord", 168, Rarity.RARE, mage.cards.e.EmmaraSoulOfTheAccord.class));
         cards.add(new SetCardInfo("Find // Finality", 225, Rarity.RARE, mage.cards.f.FindFinality.class));
         cards.add(new SetCardInfo("Firemind's Research", 171, Rarity.RARE, mage.cards.f.FiremindsResearch.class));