[LTR] Implement Landroval, Horizon Witness

Mage.Sets/src/mage/cards/l/LandrovalHorizonWitness.java

@@ -0,0 +1,86 @@
+package mage.cards.l;
+
+import mage.MageInt;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterAttackingCreature;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.AbilityPredicate;
+import mage.game.Game;
+import mage.game.events.DefenderAttackedEvent;
+import mage.game.events.GameEvent;
+import mage.target.TargetPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LandrovalHorizonWitness extends CardImpl {
+
+    public LandrovalHorizonWitness(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{W}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.BIRD);
+        this.subtype.add(SubType.NOBLE);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(4);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Whenever two or more creatures you control attack a player, target attacking creature without flying gains flying until end of turn.
+        this.addAbility(new LandrovalHorizonWitnessTriggeredAbility());
+    }
+
+    private LandrovalHorizonWitness(final LandrovalHorizonWitness card) {
+        super(card);
+    }
+
+    @Override
+    public LandrovalHorizonWitness copy() {
+        return new LandrovalHorizonWitness(this);
+    }
+}
+
+class LandrovalHorizonWitnessTriggeredAbility extends TriggeredAbilityImpl {
+
+    private static final FilterPermanent filter
+            = new FilterAttackingCreature("attacking creature without flying");
+
+    static {
+        filter.add(Predicates.not(new AbilityPredicate(FlyingAbility.class)));
+    }
+
+    LandrovalHorizonWitnessTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new GainAbilityTargetEffect(FlyingAbility.getInstance(), Duration.EndOfTurn));
+        this.addTarget(new TargetPermanent(filter));
+    }
+
+    private LandrovalHorizonWitnessTriggeredAbility(final LandrovalHorizonWitnessTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public LandrovalHorizonWitnessTriggeredAbility copy() {
+        return new LandrovalHorizonWitnessTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DEFENDER_ATTACKED;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return isControlledBy(event.getPlayerId())
+                && game.getPlayer(event.getTargetId()) != null
+                && ((DefenderAttackedEvent) event).getAttackers(game).size() >= 2;
+    }
+}

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

@@ -116,6 +116,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Ithilien Kingfisher", 58, Rarity.COMMON, mage.cards.i.IthilienKingfisher.class));
         cards.add(new SetCardInfo("Knight of the Keep", 291, Rarity.COMMON, mage.cards.k.KnightOfTheKeep.class));
         cards.add(new SetCardInfo("Knights of Dol Amroth", 59, Rarity.COMMON, mage.cards.k.KnightsOfDolAmroth.class));
+        cards.add(new SetCardInfo("Landroval, Horizon Witness", 21, Rarity.UNCOMMON, mage.cards.l.LandrovalHorizonWitness.class));
         cards.add(new SetCardInfo("Lash of the Balrog", 92, Rarity.COMMON, mage.cards.l.LashOfTheBalrog.class));
         cards.add(new SetCardInfo("Last March of the Ents", 172, Rarity.MYTHIC, mage.cards.l.LastMarchOfTheEnts.class));
         cards.add(new SetCardInfo("Legolas, Counter of Kills", 212, Rarity.UNCOMMON, mage.cards.l.LegolasCounterOfKills.class));