From abb348ac1cb6ad3551a23893c929b51f84b1978a Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Mon, 17 Nov 2025 09:05:33 -0500
Subject: [PATCH] [TLA] Implement Ruinous Waterbending

---
 .../src/mage/cards/r/RuinousWaterbending.java | 87 +++++++++++++++++++
 .../src/mage/sets/AvatarTheLastAirbender.java |  1 +
 2 files changed, 88 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/r/RuinousWaterbending.java

diff --git a/Mage.Sets/src/mage/cards/r/RuinousWaterbending.java b/Mage.Sets/src/mage/cards/r/RuinousWaterbending.java
new file mode 100644
index 00000000000..59794334c6b
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RuinousWaterbending.java
@@ -0,0 +1,87 @@
+package mage.cards.r;
+
+import mage.MageObject;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.condition.common.WaterbendedCondition;
+import mage.abilities.decorator.ConditionalOneShotEffect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.abilities.keyword.WaterbendAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class RuinousWaterbending extends CardImpl {
+
+    public RuinousWaterbending(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}");
+
+        this.subtype.add(SubType.LESSON);
+
+        // As an additional cost to cast this spell, you may waterbend {4}.
+        this.addAbility(new WaterbendAbility(4));
+
+        // All creatures get -2/-2 until end of turn. If this spell's additional cost was paid, whenever a creature dies this turn, you gain 1 life.
+        this.getSpellAbility().addEffect(new BoostAllEffect(-2, -2, Duration.EndOfTurn));
+        this.getSpellAbility().addEffect(new ConditionalOneShotEffect(
+                new CreateDelayedTriggeredAbilityEffect(new RuinousWaterbendingAbility()),
+                WaterbendedCondition.instance, "If this spell's additional cost was paid, " +
+                "whenever a creature dies this turn, you gain 1 life"
+        ));
+    }
+
+    private RuinousWaterbending(final RuinousWaterbending card) {
+        super(card);
+    }
+
+    @Override
+    public RuinousWaterbending copy() {
+        return new RuinousWaterbending(this);
+    }
+}
+
+class RuinousWaterbendingAbility extends DelayedTriggeredAbility {
+
+    RuinousWaterbendingAbility() {
+        super(new GainLifeEffect(1), Duration.EndOfTurn, false);
+        setLeavesTheBattlefieldTrigger(true);
+        setTriggerPhrase("Whenever a creature dies this turn, ");
+    }
+
+    private RuinousWaterbendingAbility(final RuinousWaterbendingAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+        return zEvent.isDiesEvent() && zEvent.getTarget().isCreature(game);
+    }
+
+    @Override
+    public RuinousWaterbendingAbility copy() {
+        return new RuinousWaterbendingAbility(this);
+    }
+
+    @Override
+    public boolean isInUseableZone(Game game, MageObject sourceObject, GameEvent event) {
+        return TriggeredAbilityImpl.isInUseableZoneDiesTrigger(this, sourceObject, event, game);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 7a6eb38bc42..89fe99c8c34 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -296,6 +296,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Rocky Rebuke", 193, Rarity.COMMON, mage.cards.r.RockyRebuke.class));
         cards.add(new SetCardInfo("Rough Rhino Cavalry", 152, Rarity.COMMON, mage.cards.r.RoughRhinoCavalry.class));
         cards.add(new SetCardInfo("Rowdy Snowballers", 68, Rarity.COMMON, mage.cards.r.RowdySnowballers.class));
+        cards.add(new SetCardInfo("Ruinous Waterbending", 118, Rarity.UNCOMMON, mage.cards.r.RuinousWaterbending.class));
         cards.add(new SetCardInfo("Rumble Arena", 277, Rarity.COMMON, mage.cards.r.RumbleArena.class));
         cards.add(new SetCardInfo("Saber-Tooth Moose-Lion", 194, Rarity.COMMON, mage.cards.s.SaberToothMooseLion.class));
         cards.add(new SetCardInfo("Sandbenders' Storm", 34, Rarity.COMMON, mage.cards.s.SandbendersStorm.class));