From 70444ba7de249142e990459b7c4db7604c622c4e Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Wed, 12 Nov 2025 10:41:23 -0500
Subject: [PATCH] [TLA] Implement Waterbending Scroll

---
 .../src/mage/cards/w/WaterbendingScroll.java  | 63 +++++++++++++++++++
 .../src/mage/sets/AvatarTheLastAirbender.java |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/w/WaterbendingScroll.java

diff --git a/Mage.Sets/src/mage/cards/w/WaterbendingScroll.java b/Mage.Sets/src/mage/cards/w/WaterbendingScroll.java
new file mode 100644
index 00000000000..38465a00dc7
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/w/WaterbendingScroll.java
@@ -0,0 +1,63 @@
+package mage.cards.w;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.CostAdjuster;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.InfoEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.filter.common.FilterControlledPermanent;
+import mage.game.Game;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class WaterbendingScroll extends CardImpl {
+
+    public WaterbendingScroll(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{1}{U}");
+
+        // {6}, {T}: Draw a card. This ability costs {1} less to activate for each Island you control.
+        Ability ability = new SimpleActivatedAbility(new DrawCardSourceControllerEffect(1), new GenericManaCost(6));
+        ability.addCost(new TapSourceCost());
+        ability.addEffect(new InfoEffect("This ability costs {1} less to activate for each Island you control"));
+        this.addAbility(ability.setCostAdjuster(WaterbendingScrollAdjuster.instance).addHint(WaterbendingScrollAdjuster.getHint()));
+    }
+
+    private WaterbendingScroll(final WaterbendingScroll card) {
+        super(card);
+    }
+
+    @Override
+    public WaterbendingScroll copy() {
+        return new WaterbendingScroll(this);
+    }
+}
+
+enum WaterbendingScrollAdjuster implements CostAdjuster {
+    instance;
+    private static final DynamicValue cardsCount = new PermanentsOnBattlefieldCount(new FilterControlledPermanent(SubType.ISLAND));
+    private static final Hint hint = new ValueHint("Islands you control", cardsCount);
+
+    static Hint getHint() {
+        return hint;
+    }
+
+    @Override
+    public void reduceCost(Ability ability, Game game) {
+        int count = cardsCount.calculate(game, ability, null);
+        CardUtil.reduceCost(ability, count);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 31a61609bd2..8b44d6a3ac8 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -330,6 +330,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Waterbender Ascension", 310, Rarity.RARE, mage.cards.w.WaterbenderAscension.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Waterbender Ascension", 79, Rarity.RARE, mage.cards.w.WaterbenderAscension.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Waterbending Lesson", 80, Rarity.COMMON, mage.cards.w.WaterbendingLesson.class));
+        cards.add(new SetCardInfo("Waterbending Scroll", 81, Rarity.UNCOMMON, mage.cards.w.WaterbendingScroll.class));
         cards.add(new SetCardInfo("Watery Grasp", 82, Rarity.COMMON, mage.cards.w.WateryGrasp.class));
         cards.add(new SetCardInfo("White Lotus Reinforcements", 251, Rarity.UNCOMMON, mage.cards.w.WhiteLotusReinforcements.class));
         cards.add(new SetCardInfo("White Lotus Tile", 262, Rarity.MYTHIC, mage.cards.w.WhiteLotusTile.class, NON_FULL_USE_VARIOUS));