From 07f49bb863f36627f6f239fa2830490a03d62ea2 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Mon, 30 May 2022 22:15:59 -0400
Subject: [PATCH] [CLB] Implemented Cloudkill

---
 Mage.Sets/src/mage/cards/c/Cloudkill.java     | 74 +++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |  1 +
 2 files changed, 75 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/c/Cloudkill.java

diff --git a/Mage.Sets/src/mage/cards/c/Cloudkill.java b/Mage.Sets/src/mage/cards/c/Cloudkill.java
new file mode 100644
index 00000000000..8f452869140
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/c/Cloudkill.java
@@ -0,0 +1,74 @@
+package mage.cards.c;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.CommanderCardType;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class Cloudkill extends CardImpl {
+
+    public Cloudkill(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{4}{B}{B}");
+
+        // All creatures gets -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
+        this.getSpellAbility().addEffect(new BoostAllEffect(
+                CloudkillValue.instance, CloudkillValue.instance, Duration.EndOfTurn
+        ));
+    }
+
+    private Cloudkill(final Cloudkill card) {
+        super(card);
+    }
+
+    @Override
+    public Cloudkill copy() {
+        return new Cloudkill(this);
+    }
+}
+
+enum CloudkillValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Player player = game.getPlayer(sourceAbility.getControllerId());
+        return player != null ? -game
+                .getCommanderCardsFromAnyZones(
+                        player, CommanderCardType.ANY,
+                        Zone.BATTLEFIELD, Zone.COMMAND
+                )
+                .stream()
+                .mapToInt(MageObject::getManaValue)
+                .max()
+                .orElse(0) : 0;
+    }
+
+    @Override
+    public CloudkillValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "the greatest mana value of a commander you own on the battlefield or in the command zone";
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index 9ae604d3015..69895322220 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -81,6 +81,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Cloakwood Hermit", 221, Rarity.UNCOMMON, mage.cards.c.CloakwoodHermit.class));
         cards.add(new SetCardInfo("Cloakwood Swarmkeeper", 222, Rarity.COMMON, mage.cards.c.CloakwoodSwarmkeeper.class));
         cards.add(new SetCardInfo("Clockwork Fox", 308, Rarity.COMMON, mage.cards.c.ClockworkFox.class));
+        cards.add(new SetCardInfo("Cloudkill", 121, Rarity.UNCOMMON, mage.cards.c.Cloudkill.class));
         cards.add(new SetCardInfo("Colossal Badger", 223, Rarity.COMMON, mage.cards.c.ColossalBadger.class));
         cards.add(new SetCardInfo("Command Tower", 351, Rarity.COMMON, mage.cards.c.CommandTower.class));
         cards.add(new SetCardInfo("Cone of Cold", 61, Rarity.UNCOMMON, mage.cards.c.ConeOfCold.class));