[AFR] Implemented Keen-Eared Sentry

Mage.Sets/src/mage/cards/k/KeenEaredSentry.java

@@ -0,0 +1,118 @@
+package mage.cards.k;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ContinuousRuleModifyingEffectImpl;
+import mage.abilities.effects.common.continuous.GainAbilityControllerEffect;
+import mage.abilities.keyword.HexproofAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KeenEaredSentry extends CardImpl {
+
+    public KeenEaredSentry(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{W}");
+
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.SOLDIER);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(1);
+
+        // You have hexproof.
+        this.addAbility(new SimpleStaticAbility(new GainAbilityControllerEffect(HexproofAbility.getInstance())));
+
+        // Your opponents can't venture into the dungeon more than once each turn.
+        this.addAbility(new SimpleStaticAbility(new KeenEaredSentryEffect()), new KeenEaredSentryWatcher());
+    }
+
+    private KeenEaredSentry(final KeenEaredSentry card) {
+        super(card);
+    }
+
+    @Override
+    public KeenEaredSentry copy() {
+        return new KeenEaredSentry(this);
+    }
+}
+
+class KeenEaredSentryEffect extends ContinuousRuleModifyingEffectImpl {
+
+    KeenEaredSentryEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Detriment);
+        staticText = "your opponents can't venture into the dungeon more than once each turn";
+    }
+
+    private KeenEaredSentryEffect(final KeenEaredSentryEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KeenEaredSentryEffect copy() {
+        return new KeenEaredSentryEffect(this);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.VENTURE;
+    }
+
+    @Override
+    public String getInfoMessage(Ability source, GameEvent event, Game game) {
+        MageObject sourceObject = source.getSourceObject(game);
+        if (sourceObject == null) {
+            return null;
+        }
+        return "You can't venture into the dungeon more than once each turn. (" + sourceObject.getName() + ')';
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        return game.getOpponents(source.getControllerId()).contains(event.getTargetId())
+                && KeenEaredSentryWatcher.checkPlayer(event.getTargetId(), game);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+}
+
+class KeenEaredSentryWatcher extends Watcher {
+
+    private final Set<UUID> playerSet = new HashSet<>();
+
+    KeenEaredSentryWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.VENTURED) {
+            playerSet.add(event.getTargetId());
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        playerSet.clear();
+    }
+
+    static boolean checkPlayer(UUID playerId, Game game) {
+        KeenEaredSentryWatcher watcher = game.getState().getWatcher(KeenEaredSentryWatcher.class);
+        return watcher != null && watcher.playerSet.contains(playerId);
+    }
+}

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

@@ -133,6 +133,7 @@ public final class AdventuresInTheForgottenRealms extends ExpansionSet {
         cards.add(new SetCardInfo("Island", 266, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Iymrith, Desert Doom", 62, Rarity.MYTHIC, mage.cards.i.IymrithDesertDoom.class));
         cards.add(new SetCardInfo("Jaded Sell-Sword", 152, Rarity.COMMON, mage.cards.j.JadedSellSword.class));
+        cards.add(new SetCardInfo("Keen-Eared Sentry", 22, Rarity.UNCOMMON, mage.cards.k.KeenEaredSentry.class));
         cards.add(new SetCardInfo("Kick in the Door", 153, Rarity.COMMON, mage.cards.k.KickInTheDoor.class));
         cards.add(new SetCardInfo("Krydle of Baldur's Gate", 226, Rarity.UNCOMMON, mage.cards.k.KrydleOfBaldursGate.class));
         cards.add(new SetCardInfo("Leather Armor", 248, Rarity.COMMON, mage.cards.l.LeatherArmor.class));

Mage/src/main/java/mage/game/GameImpl.java

@@ -478,7 +478,11 @@ public abstract class GameImpl implements Game, Serializable {
 
     @Override
     public void ventureIntoDungeon(UUID playerId) {
+        if (replaceEvent(GameEvent.getEvent(GameEvent.EventType.VENTURE, playerId, null, playerId))) {
+            return;
+        }
         this.getOrCreateDungeon(playerId).moveToNextRoom(playerId, this);
+        fireEvent(GameEvent.getEvent(GameEvent.EventType.VENTURED, playerId, null, playerId));
     }
 
     @Override

Mage/src/main/java/mage/game/events/GameEvent.java

@@ -454,6 +454,7 @@ public class GameEvent implements Serializable {
          playerId    player in the dungeon
          */
         ROOM_ENTERED,
+        VENTURE, VENTURED,
         DUNGEON_COMPLETED,
         //custom events
         CUSTOM_EVENT