From 314f0a7e8afa2a5e4dbc09778d9c160a883e93ea Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Sun, 21 Aug 2022 17:44:22 -0400
Subject: [PATCH] [DMU] Implemented Monstrous War-Leech

---
 .../src/mage/cards/m/MonstrousWarLeech.java   | 107 ++++++++++++++++++
 Mage.Sets/src/mage/sets/DominariaUnited.java  |   1 +
 2 files changed, 108 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/m/MonstrousWarLeech.java

diff --git a/Mage.Sets/src/mage/cards/m/MonstrousWarLeech.java b/Mage.Sets/src/mage/cards/m/MonstrousWarLeech.java
new file mode 100644
index 00000000000..97daa07649a
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MonstrousWarLeech.java
@@ -0,0 +1,107 @@
+package mage.cards.m;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.KickedCondition;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.MillCardsControllerEffect;
+import mage.abilities.effects.common.continuous.SetPowerToughnessSourceEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.abilities.keyword.KickerAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.stream.IntStream;
+
+/**
+ * @author TheElk801
+ */
+public final class MonstrousWarLeech extends CardImpl {
+
+    private static final Hint hint = new ValueHint(
+            "Highest mana value in your graveyard", MonstrousWarLeechValue.instance
+    );
+
+    public MonstrousWarLeech(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}");
+
+        this.subtype.add(SubType.LEECH);
+        this.subtype.add(SubType.HORROR);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // Kicker {U}
+        this.addAbility(new KickerAbility("{U}"));
+
+        // As Monstrous War-Leech enters the battlefield, if it was kicked, mill four cards.
+        this.addAbility(new EntersBattlefieldAbility(
+                new MillCardsControllerEffect(4), KickedCondition.ONCE,
+                "As {this} enters the battlefield, if it was kicked, mill four cards.", ""
+        ));
+
+        // Monstrous War-Leech's power and toughness are each equal to the highest mana value among cards in your graveyard.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL,
+                new SetPowerToughnessSourceEffect(
+                        MonstrousWarLeechValue.instance, Duration.EndOfGame
+                )
+        ));
+    }
+
+    private MonstrousWarLeech(final MonstrousWarLeech card) {
+        super(card);
+    }
+
+    @Override
+    public MonstrousWarLeech copy() {
+        return new MonstrousWarLeech(this);
+    }
+}
+
+enum MonstrousWarLeechValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        return Optional
+                .ofNullable(game.getPlayer(sourceAbility.getControllerId()))
+                .filter(Objects::nonNull)
+                .map(Player::getGraveyard)
+                .map(graveyard -> graveyard.getCards(game))
+                .map(Collection::stream)
+                .map(s -> s.mapToInt(MageObject::getManaValue))
+                .map(IntStream::max)
+                .map(x -> x.orElse(0))
+                .orElse(0);
+    }
+
+    @Override
+    public MonstrousWarLeechValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "the highest mana value among cards in your graveyard";
+    }
+
+    @Override
+    public String toString() {
+        return "";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DominariaUnited.java b/Mage.Sets/src/mage/sets/DominariaUnited.java
index cd7abdd15d8..6f13af84ff9 100644
--- a/Mage.Sets/src/mage/sets/DominariaUnited.java
+++ b/Mage.Sets/src/mage/sets/DominariaUnited.java
@@ -54,6 +54,7 @@ public final class DominariaUnited extends ExpansionSet {
         cards.add(new SetCardInfo("Magnigoth Sentry", 172, Rarity.COMMON, mage.cards.m.MagnigothSentry.class));
         cards.add(new SetCardInfo("Mesa Cavalier", 26, Rarity.COMMON, mage.cards.m.MesaCavalier.class));
         cards.add(new SetCardInfo("Micromancer", 57, Rarity.UNCOMMON, mage.cards.m.Micromancer.class));
+        cards.add(new SetCardInfo("Monstrous War-Leech", 98, Rarity.UNCOMMON, mage.cards.m.MonstrousWarLeech.class));
         cards.add(new SetCardInfo("Mountain", 271, Rarity.LAND, mage.cards.basiclands.Mountain.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Nishoba Brawler", 174, Rarity.UNCOMMON, mage.cards.n.NishobaBrawler.class));
         cards.add(new SetCardInfo("Plains", 262, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));