[LTR] Implement Fires of Mount Doom (#10601)

Mage.Sets/src/mage/cards/f/FiresOfMountDoom.java

@@ -0,0 +1,149 @@
+package mage.cards.f;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.TriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DamagePlayersEffect;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.abilities.effects.common.DestroyAllAttachedToTargetEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+import mage.target.common.TargetOpponentsCreaturePermanent;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ *
+ * @author Susucr
+ */
+public final class FiresOfMountDoom extends CardImpl {
+
+    public FiresOfMountDoom(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{2}{R}");
+        
+        this.supertype.add(SuperType.LEGENDARY);
+
+        // When Fires of Mount Doom enters the battlefield, it deals 2 damage to target creature
+        // an opponent controls. Destroy all Equipment attached to that creature.
+        TriggeredAbility trigger = new EntersBattlefieldTriggeredAbility(new DamageTargetEffect(2));
+        trigger.addEffect(
+            new DestroyAllAttachedToTargetEffect(
+                StaticFilters.FILTER_PERMANENT_EQUIPMENT,
+                "that creature")
+        );
+        trigger.addTarget(new TargetOpponentsCreaturePermanent());
+        this.addAbility(trigger);
+
+        // {2}{R}: Exile the top card of your library. You may play that card this turn.
+        // When you play a card this way, Fires of Mount Doom deals 2 damage to each player.
+        this.addAbility(new SimpleActivatedAbility(
+            Zone.BATTLEFIELD,
+            new FiresOfMountDoomEffect(),
+            new ManaCostsImpl<>("{2}{R}")));
+    }
+
+    private FiresOfMountDoom(final FiresOfMountDoom card) {
+        super(card);
+    }
+
+    @Override
+    public FiresOfMountDoom copy() {
+        return new FiresOfMountDoom(this);
+    }
+}
+
+class FiresOfMountDoomEffect extends OneShotEffect {
+
+    public FiresOfMountDoomEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "exile the top card of your library. You may play that card this turn. " +
+            "When you play a card this way, Fires of Mount Doom deals 2 damage to each player";
+    }
+
+    public FiresOfMountDoomEffect(final FiresOfMountDoomEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public FiresOfMountDoomEffect copy() {
+        return new FiresOfMountDoomEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        MageObject sourceObject = game.getObject(source);
+        if(controller == null || sourceObject == null){
+            return false;
+        }
+
+        Card card = controller.getLibrary().getFromTop(game);
+        if (card == null) {
+            return false;
+        }
+
+        controller.moveCardsToExile(card, source, game, true, source.getSourceId(), sourceObject.getIdName());
+        CardUtil.makeCardPlayable(game, source, card, Duration.EndOfTurn, false);
+        game.addDelayedTriggeredAbility(new FiresOfMountDoomDelayedTriggeredAbility(card.getId()), source);
+        return true;
+    }
+}
+
+// TODO: this is not quite right in corner cases.
+//       Inspired by Havengul Lich which I feel has similar problems.
+//       For instance what if the card is [[Squee, the Immortal]] and
+//       is cast with squee AsThought.
+//       Or if the card is played with the AsThought, then replayed
+//       during the same turn. With current code, that would trigger
+//       incorrectly again.
+//       Is mor the solution there? Or having a way to get the specific
+//       used AsThought and having a way to identify that it was the
+//       same one as the FiresOfMountDoomEffect makeCardPlayable.
+class FiresOfMountDoomDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    private UUID cardId;
+
+    public FiresOfMountDoomDelayedTriggeredAbility(UUID cardId) {
+        super(new DamagePlayersEffect(2, TargetController.ANY), Duration.EndOfTurn);
+        this.cardId = cardId;
+    }
+
+    public FiresOfMountDoomDelayedTriggeredAbility(FiresOfMountDoomDelayedTriggeredAbility ability) {
+        super(ability);
+        this.cardId = ability.cardId;
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        GameEvent.EventType type = event.getType();
+        return type == GameEvent.EventType.PLAY_LAND
+            || type == GameEvent.EventType.SPELL_CAST;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return event.getSourceId().equals(cardId);
+    }
+
+    @Override
+    public FiresOfMountDoomDelayedTriggeredAbility copy() {
+        return new FiresOfMountDoomDelayedTriggeredAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "When you play a card this way, {this} deals 2 damage to each player";
+    }
+}

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

@@ -92,6 +92,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Fear, Fire, Foes!", 125, Rarity.UNCOMMON, mage.cards.f.FearFireFoes.class));
         cards.add(new SetCardInfo("Fiery Inscription", 126, Rarity.UNCOMMON, mage.cards.f.FieryInscription.class));
         cards.add(new SetCardInfo("Fire of Orthanc", 127, Rarity.COMMON, mage.cards.f.FireOfOrthanc.class));
+        cards.add(new SetCardInfo("Fires of Mount Doom", 294, Rarity.RARE, mage.cards.f.FiresOfMountDoom.class));
         cards.add(new SetCardInfo("Flame of Anor", 203, Rarity.RARE, mage.cards.f.FlameOfAnor.class));
         cards.add(new SetCardInfo("Flowering of the White Tree", 15, Rarity.RARE, mage.cards.f.FloweringOfTheWhiteTree.class));
         cards.add(new SetCardInfo("Fog on the Barrow-Downs", 16, Rarity.COMMON, mage.cards.f.FogOnTheBarrowDowns.class));