[TDM] Implement Warden of the Grove

Mage.Sets/src/mage/cards/w/WardenOfTheGrove.java

@@ -0,0 +1,91 @@
+package mage.cards.w;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldAllTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.effects.keyword.EndureSourceEffect;
+import mage.abilities.triggers.BeginningOfEndStepTriggeredAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.counters.Counters;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+import mage.filter.predicate.permanent.TokenPredicate;
+import mage.game.Game;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class WardenOfTheGrove extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterControlledCreaturePermanent("another nontoken creature you control");
+
+    static {
+        filter.add(AnotherPredicate.instance);
+        filter.add(TokenPredicate.FALSE);
+    }
+
+    public WardenOfTheGrove(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{G}");
+
+        this.subtype.add(SubType.HYDRA);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // At the beginning of your end step, put a +1/+1 counter on this creature.
+        this.addAbility(new BeginningOfEndStepTriggeredAbility(new AddCountersSourceEffect(CounterType.P1P1.createInstance())));
+
+        // Whenever another nontoken creature you control enters, it endures X, where X is the number of counters on this creature.
+        this.addAbility(new EntersBattlefieldAllTriggeredAbility(
+                Zone.BATTLEFIELD, new WardenOfTheGroveEffect(),
+                filter, false, SetTargetPointer.PERMANENT
+        ));
+    }
+
+    private WardenOfTheGrove(final WardenOfTheGrove card) {
+        super(card);
+    }
+
+    @Override
+    public WardenOfTheGrove copy() {
+        return new WardenOfTheGrove(this);
+    }
+}
+
+class WardenOfTheGroveEffect extends OneShotEffect {
+
+    WardenOfTheGroveEffect() {
+        super(Outcome.Benefit);
+        staticText = "it endures X, where X is the number of counters on {this}";
+    }
+
+    private WardenOfTheGroveEffect(final WardenOfTheGroveEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public WardenOfTheGroveEffect copy() {
+        return new WardenOfTheGroveEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return EndureSourceEffect.doEndure(
+                this.getTargetPointer().getFirstTargetPermanentOrLKI(game, source),
+                Optional.ofNullable(source.getSourcePermanentOrLKI(game))
+                        .map(p -> p.getCounters(game))
+                        .map(Counters::getTotalCount)
+                        .orElse(0),
+                game, source
+        );
+    }
+}

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

@@ -247,6 +247,7 @@ public final class TarkirDragonstorm extends ExpansionSet {
         cards.add(new SetCardInfo("Voice of Victory", 33, Rarity.RARE, mage.cards.v.VoiceOfVictory.class));
         cards.add(new SetCardInfo("War Effort", 131, Rarity.UNCOMMON, mage.cards.w.WarEffort.class));
         cards.add(new SetCardInfo("Wail of War", 98, Rarity.UNCOMMON, mage.cards.w.WailOfWar.class));
+        cards.add(new SetCardInfo("Warden of the Grove", 166, Rarity.RARE, mage.cards.w.WardenOfTheGrove.class));
         cards.add(new SetCardInfo("Watcher of the Wayside", 249, Rarity.COMMON, mage.cards.w.WatcherOfTheWayside.class));
         cards.add(new SetCardInfo("Wayspeaker Bodyguard", 34, Rarity.UNCOMMON, mage.cards.w.WayspeakerBodyguard.class));
         cards.add(new SetCardInfo("Wild Ride", 132, Rarity.COMMON, mage.cards.w.WildRide.class));

Mage/src/main/java/mage/abilities/effects/keyword/EndureSourceEffect.java

@@ -39,12 +39,19 @@ public class EndureSourceEffect extends OneShotEffect {
 
     @Override
     public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getControllerId());
-        if (player == null) {
+        return doEndure(source.getSourcePermanentOrLKI(game), 1, game, source);
+    }
+
+    public static boolean doEndure(Permanent permanent, int amount, Game game, Ability source) {
+        if (permanent == null || amount < 1) {
             return false;
         }
-        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
-        if (permanent != null && player.chooseUse(
+        Player controller = game.getPlayer(permanent.getControllerId());
+        if (controller == null) {
+            return false;
+        }
+        if (permanent.getZoneChangeCounter(game) == game.getState().getZoneChangeCounter(permanent.getId())
+                && controller.chooseUse(
                 Outcome.BoostCreature, "Put " + CardUtil.numberToText(amount, "a") + " +1/+1 counter" +
                         (amount > 1 ? "s" : "") + " on " + permanent.getName() + " or create " +
                         CardUtil.addArticle("" + amount) + ' ' + amount + '/' + amount + " Spirit token?",