From aaa082b4cc182fe22d27481250447a89efdc7ade Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Thu, 10 Oct 2024 13:08:02 -0400
Subject: [PATCH] [MKC] Implement Havoc Eater

---
 Mage.Sets/src/mage/cards/h/HavocEater.java    | 94 +++++++++++++++++++
 .../sets/MurdersAtKarlovManorCommander.java   |  1 +
 2 files changed, 95 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/h/HavocEater.java

diff --git a/Mage.Sets/src/mage/cards/h/HavocEater.java b/Mage.Sets/src/mage/cards/h/HavocEater.java
new file mode 100644
index 00000000000..b7557b22603
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/h/HavocEater.java
@@ -0,0 +1,94 @@
+package mage.cards.h;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.combat.GoadTargetEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetCreaturePermanent;
+import mage.target.targetadjustment.ForEachOpponentTargetsAdjuster;
+import mage.target.targetpointer.EachTargetPointer;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HavocEater extends CardImpl {
+
+    public HavocEater(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{R}{R}");
+
+        this.subtype.add(SubType.ELEMENTAL);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // When Havoc Eater enters the battlefield, for each opponent, goad up to one target creature that opponent controls. Put X +1/+1 counters on Havoc Eater, where X is the total power of creatures goaded this way.
+        Ability ability = new EntersBattlefieldTriggeredAbility(
+                new GoadTargetEffect()
+                        .setText("for each opponent, goad up to one target creature that opponent controls")
+                        .setTargetPointer(new EachTargetPointer()));
+        ability.addEffect(new HavocEaterEffect());
+        ability.addTarget(new TargetCreaturePermanent(0, 1));
+        this.addAbility(ability.setTargetAdjuster(new ForEachOpponentTargetsAdjuster()));
+    }
+
+    private HavocEater(final HavocEater card) {
+        super(card);
+    }
+
+    @Override
+    public HavocEater copy() {
+        return new HavocEater(this);
+    }
+}
+
+class HavocEaterEffect extends OneShotEffect {
+
+    HavocEaterEffect() {
+        super(Outcome.Benefit);
+        staticText = "put X +1/+1 counters on {this}, where X is the total power of creatures goaded this way";
+        this.setTargetPointer(new EachTargetPointer());
+    }
+
+    private HavocEaterEffect(final HavocEaterEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public HavocEaterEffect copy() {
+        return new HavocEaterEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (permanent == null) {
+            return false;
+        }
+        int amount = this
+                .getTargetPointer()
+                .getTargets(game, source)
+                .stream()
+                .map(game::getPermanent)
+                .filter(Objects::nonNull)
+                .map(MageObject::getPower)
+                .mapToInt(MageInt::getValue)
+                .sum();
+        return amount > 0 && permanent.addCounters(CounterType.P1P1.createInstance(amount), source, game);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MurdersAtKarlovManorCommander.java b/Mage.Sets/src/mage/sets/MurdersAtKarlovManorCommander.java
index 4694248767f..159541ed837 100644
--- a/Mage.Sets/src/mage/sets/MurdersAtKarlovManorCommander.java
+++ b/Mage.Sets/src/mage/sets/MurdersAtKarlovManorCommander.java
@@ -125,6 +125,7 @@ public final class MurdersAtKarlovManorCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Graf Mole", 170, Rarity.UNCOMMON, mage.cards.g.GrafMole.class));
         cards.add(new SetCardInfo("Grave Titan", 129, Rarity.MYTHIC, mage.cards.g.GraveTitan.class));
         cards.add(new SetCardInfo("Gruul Turf", 265, Rarity.UNCOMMON, mage.cards.g.GruulTurf.class));
+        cards.add(new SetCardInfo("Havoc Eater", 31, Rarity.RARE, mage.cards.h.HavocEater.class));
         cards.add(new SetCardInfo("Hidden Dragonslayer", 69, Rarity.RARE, mage.cards.h.HiddenDragonslayer.class));
         cards.add(new SetCardInfo("Hooded Hydra", 171, Rarity.MYTHIC, mage.cards.h.HoodedHydra.class));
         cards.add(new SetCardInfo("Hornet Queen", 172, Rarity.RARE, mage.cards.h.HornetQueen.class));