Implemented Voracious Hydra

Mage.Sets/src/mage/cards/v/VoraciousHydra.java

@@ -0,0 +1,104 @@
+package mage.cards.v;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.EntersBattlefieldWithXCountersEffect;
+import mage.abilities.effects.common.FightTargetSourceEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.TargetController;
+import mage.counters.CounterType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.ControllerPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class VoraciousHydra extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent("creature you don't control");
+
+    static {
+        filter.add(new ControllerPredicate(TargetController.NOT_YOU));
+    }
+
+    public VoraciousHydra(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{X}{G}{G}");
+
+        this.subtype.add(SubType.HYDRA);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(1);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // Voracious Hydra enters the battlefield with X +1/+1 counters on it.
+        this.addAbility(new EntersBattlefieldAbility(
+                new EntersBattlefieldWithXCountersEffect(CounterType.P1P1.createInstance())
+        ));
+
+        // When Voracious Hydra enters the battlefield, choose one —
+        // • Double the number of +1/+1 counters on Voracious Hydra.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new VoraciousHydraEffect(), false);
+
+        // • Voracious Hydra fights target creature you don't control.
+        Mode mode = new Mode(
+                new FightTargetSourceEffect()
+                        .setText("{this} fights target creature you don't control")
+        );
+        mode.addTarget(new TargetPermanent(filter));
+        ability.addMode(mode);
+        this.addAbility(ability);
+    }
+
+    private VoraciousHydra(final VoraciousHydra card) {
+        super(card);
+    }
+
+    @Override
+    public VoraciousHydra copy() {
+        return new VoraciousHydra(this);
+    }
+}
+
+class VoraciousHydraEffect extends OneShotEffect {
+
+    VoraciousHydraEffect() {
+        super(Outcome.Benefit);
+        staticText = "Double the number of +1/+1 counters on {this}";
+    }
+
+    private VoraciousHydraEffect(final VoraciousHydraEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public VoraciousHydraEffect copy() {
+        return new VoraciousHydraEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (permanent == null) {
+            return false;
+        }
+        return permanent.addCounters(CounterType.P1P1.createInstance(
+                permanent.getCounters(game).getCount(CounterType.P1P1)
+        ), source, game);
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2020.java

@@ -112,6 +112,7 @@ public final class CoreSet2020 extends ExpansionSet {
         cards.add(new SetCardInfo("Unsummon", 78, Rarity.COMMON, mage.cards.u.Unsummon.class));
         cards.add(new SetCardInfo("Vampire of the Dire Moon", 120, Rarity.UNCOMMON, mage.cards.v.VampireOfTheDireMoon.class));
         cards.add(new SetCardInfo("Vial of Dragonfire", 241, Rarity.COMMON, mage.cards.v.VialOfDragonfire.class));
+        cards.add(new SetCardInfo("Voracious Hydra", 200, Rarity.RARE, mage.cards.v.VoraciousHydra.class));
         cards.add(new SetCardInfo("Wakeroot Elemental", 202, Rarity.RARE, mage.cards.w.WakerootElemental.class));
         cards.add(new SetCardInfo("Wolfkin Bond", 203, Rarity.COMMON, mage.cards.w.WolfkinBond.class));
         cards.add(new SetCardInfo("Yarok's Fenlurker", 123, Rarity.UNCOMMON, mage.cards.y.YaroksFenlurker.class));