[LTR] Implement Horn of the Mark

Mage.Sets/src/mage/cards/h/HornOfTheMark.java

@@ -0,0 +1,77 @@
+package mage.cards.h;
+
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.common.LookLibraryAndPickControllerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.PutCards;
+import mage.constants.SuperType;
+import mage.constants.Zone;
+import mage.filter.StaticFilters;
+import mage.game.Controllable;
+import mage.game.Game;
+import mage.game.events.DefenderAttackedEvent;
+import mage.game.events.GameEvent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HornOfTheMark extends CardImpl {
+
+    public HornOfTheMark(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+
+        // Whenever two or more creatures you control attack a player, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
+        this.addAbility(new HornOfTheMarkTriggeredAbility());
+    }
+
+    private HornOfTheMark(final HornOfTheMark card) {
+        super(card);
+    }
+
+    @Override
+    public HornOfTheMark copy() {
+        return new HornOfTheMark(this);
+    }
+}
+
+class HornOfTheMarkTriggeredAbility extends TriggeredAbilityImpl {
+
+    HornOfTheMarkTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new LookLibraryAndPickControllerEffect(
+                5, 1, StaticFilters.FILTER_CARD_CREATURE_A, PutCards.HAND, PutCards.BOTTOM_RANDOM
+        ));
+        this.setTriggerPhrase("Whenever two or more creatures you control attack a player, ");
+    }
+
+    private HornOfTheMarkTriggeredAbility(final HornOfTheMarkTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public HornOfTheMarkTriggeredAbility copy() {
+        return new HornOfTheMarkTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DEFENDER_ATTACKED;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        DefenderAttackedEvent dEvent = ((DefenderAttackedEvent) event);
+        return game.getPlayer(dEvent.getTargetId()) != null
+                && dEvent
+                .getAttackers(game)
+                .stream()
+                .map(Controllable::getControllerId)
+                .filter(this::isControlledBy)
+                .count() >= 2;
+    }
+}

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

@@ -119,6 +119,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Hithlain Knots", 54, Rarity.COMMON, mage.cards.h.HithlainKnots.class));
         cards.add(new SetCardInfo("Hobbit's Sting", 20, Rarity.COMMON, mage.cards.h.HobbitsSting.class));
         cards.add(new SetCardInfo("Horn of Gondor", 240, Rarity.RARE, mage.cards.h.HornOfGondor.class));
+        cards.add(new SetCardInfo("Horn of the Mark", 241, Rarity.RARE, mage.cards.h.HornOfTheMark.class));
         cards.add(new SetCardInfo("Horses of the Bruinen", 55, Rarity.UNCOMMON, mage.cards.h.HorsesOfTheBruinen.class));
         cards.add(new SetCardInfo("Improvised Club", 137, Rarity.COMMON, mage.cards.i.ImprovisedClub.class));
         cards.add(new SetCardInfo("Inherited Envelope", 242, Rarity.COMMON, mage.cards.i.InheritedEnvelope.class));