From 50ddb27f5da31e82ce7bcd3671ba501daa5e7662 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Fri, 20 May 2022 17:32:06 -0400
Subject: [PATCH] [CLB] Implemented Sarevok, Deathbringer

---
 .../src/mage/cards/s/SarevokDeathbringer.java | 70 +++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |  1 +
 .../mage/watchers/common/RevoltWatcher.java   |  9 ++-
 3 files changed, 79 insertions(+), 1 deletion(-)
 create mode 100644 Mage.Sets/src/mage/cards/s/SarevokDeathbringer.java

diff --git a/Mage.Sets/src/mage/cards/s/SarevokDeathbringer.java b/Mage.Sets/src/mage/cards/s/SarevokDeathbringer.java
new file mode 100644
index 00000000000..86fd389bab3
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SarevokDeathbringer.java
@@ -0,0 +1,70 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.common.ChooseABackgroundAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.SourcePermanentPowerCount;
+import mage.abilities.effects.common.LoseLifeTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.constants.TargetController;
+import mage.game.Game;
+import mage.watchers.common.RevoltWatcher;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SarevokDeathbringer extends CardImpl {
+
+    private static final DynamicValue xValue = new SourcePermanentPowerCount(false);
+
+    public SarevokDeathbringer(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.KNIGHT);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(4);
+
+        // At the beginning of each player's end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok's power.
+        this.addAbility(new BeginningOfEndStepTriggeredAbility(
+                new LoseLifeTargetEffect(xValue), TargetController.EACH_PLAYER,
+                SarevokDeathbringerCondition.instance, false
+        ), new RevoltWatcher());
+
+        // Choose a Background
+        this.addAbility(ChooseABackgroundAbility.getInstance());
+    }
+
+    private SarevokDeathbringer(final SarevokDeathbringer card) {
+        super(card);
+    }
+
+    @Override
+    public SarevokDeathbringer copy() {
+        return new SarevokDeathbringer(this);
+    }
+}
+
+enum SarevokDeathbringerCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return RevoltWatcher.checkAny(game);
+    }
+
+    @Override
+    public String toString() {
+        return "if no permanents left the battlefield this turn";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index c613f846255..a4f81891008 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -90,6 +90,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Raphael, Fiendish Savior", 292, Rarity.RARE, mage.cards.r.RaphaelFiendishSavior.class));
         cards.add(new SetCardInfo("Reflecting Pool", 358, Rarity.RARE, mage.cards.r.ReflectingPool.class));
         cards.add(new SetCardInfo("Roving Harper", 40, Rarity.COMMON, mage.cards.r.RovingHarper.class));
+        cards.add(new SetCardInfo("Sarevok, Deathbringer", 144, Rarity.UNCOMMON, mage.cards.s.SarevokDeathbringer.class));
         cards.add(new SetCardInfo("Sea Hag", 95, Rarity.COMMON, mage.cards.s.SeaHag.class));
         cards.add(new SetCardInfo("Sea of Clouds", 360, Rarity.RARE, mage.cards.s.SeaOfClouds.class));
         cards.add(new SetCardInfo("Shameless Charlatan", 96, Rarity.RARE, mage.cards.s.ShamelessCharlatan.class));
diff --git a/Mage/src/main/java/mage/watchers/common/RevoltWatcher.java b/Mage/src/main/java/mage/watchers/common/RevoltWatcher.java
index f6591eb6644..b6f0c6583e1 100644
--- a/Mage/src/main/java/mage/watchers/common/RevoltWatcher.java
+++ b/Mage/src/main/java/mage/watchers/common/RevoltWatcher.java
@@ -4,7 +4,6 @@ import mage.constants.WatcherScope;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;
-import mage.game.events.GameEvent.EventType;
 import mage.game.events.ZoneChangeEvent;
 import mage.game.permanent.Permanent;
 import mage.watchers.Watcher;
@@ -41,6 +40,14 @@ public class RevoltWatcher extends Watcher {
         return revoltActivePlayerIds.contains(playerId);
     }
 
+    public static boolean checkAny(Game game) {
+        return !game
+                .getState()
+                .getWatcher(RevoltWatcher.class)
+                .revoltActivePlayerIds
+                .isEmpty();
+    }
+
     @Override
     public void reset() {
         super.reset();