Implemented Whiptongue Hydra

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

@@ -0,0 +1,91 @@
+package mage.cards.w;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.constants.SubType;
+import mage.abilities.keyword.ReachAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.counters.CounterType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.AbilityPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class WhiptongueHydra extends CardImpl {
+
+    public WhiptongueHydra(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{G}");
+
+        this.subtype.add(SubType.LIZARD);
+        this.subtype.add(SubType.HYDRA);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Reach
+        this.addAbility(ReachAbility.getInstance());
+
+        // When Whiptongue Hydra enters the battlefield, destroy all creatures with flying. Put a +1/+1 counter on Whiptongue Hydra for each creature destroyed this way.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new WhiptongueHydraEffect(), false));
+    }
+
+    public WhiptongueHydra(final WhiptongueHydra card) {
+        super(card);
+    }
+
+    @Override
+    public WhiptongueHydra copy() {
+        return new WhiptongueHydra(this);
+    }
+}
+
+class WhiptongueHydraEffect extends OneShotEffect {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent();
+
+    static {
+        filter.add(new AbilityPredicate(FlyingAbility.class));
+    }
+
+    public WhiptongueHydraEffect() {
+        super(Outcome.DestroyPermanent);
+        this.staticText = "destroy all creatures with flying. "
+                + "Put a +1/+1 counter on {this} for each permanent destroyed this way";
+    }
+
+    public WhiptongueHydraEffect(final WhiptongueHydraEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public WhiptongueHydraEffect copy() {
+        return new WhiptongueHydraEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        int destroyedPermanents = 0;
+        destroyedPermanents = game.getBattlefield().getActivePermanents(
+                filter, source.getControllerId(), source.getSourceId(), game
+        ).stream().filter(
+                (permanent) -> (permanent.destroy(source.getSourceId(), game, false))
+        ).map((_item) -> 1).reduce(destroyedPermanents, Integer::sum);
+        if (destroyedPermanents > 0) {
+            return new AddCountersSourceEffect(
+                    CounterType.P1P1.createInstance(destroyedPermanents), true
+            ).apply(game, source);
+        }
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/Commander2018.java

@@ -42,5 +42,6 @@ public final class Commander2018 extends ExpansionSet {
         cards.add(new SetCardInfo("Tawnos, Urza's Apprentice", 45, Rarity.MYTHIC, mage.cards.t.TawnosUrzasApprentice.class));
         cards.add(new SetCardInfo("Thantis the Warweaver", 46, Rarity.MYTHIC, mage.cards.t.ThantisTheWarweaver.class));
         cards.add(new SetCardInfo("Thopter Spy Network", 107, Rarity.RARE, mage.cards.t.ThopterSpyNetwork.class));
+        cards.add(new SetCardInfo("Whiptongue Hydra", 36, Rarity.RARE, mage.cards.w.WhiptongueHydra.class));
     }
 }