diff --git a/Mage.Sets/src/mage/cards/k/KataraWaterTribesHope.java b/Mage.Sets/src/mage/cards/k/KataraWaterTribesHope.java
new file mode 100644
index 00000000000..35f78ab4521
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/k/KataraWaterTribesHope.java
@@ -0,0 +1,64 @@
+package mage.cards.k;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.ActivateIfConditionActivatedAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.condition.common.MyTurnCondition;
+import mage.abilities.costs.common.WaterbendCost;
+import mage.abilities.costs.mana.VariableManaCost;
+import mage.abilities.dynamicvalue.common.GetXValue;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.continuous.SetBasePowerToughnessAllEffect;
+import mage.abilities.keyword.VigilanceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.StaticFilters;
+import mage.game.permanent.token.AllyToken;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KataraWaterTribesHope extends CardImpl {
+
+    public KataraWaterTribesHope(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{W}{U}{U}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.WARRIOR);
+        this.subtype.add(SubType.ALLY);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Vigilance
+        this.addAbility(VigilanceAbility.getInstance());
+
+        // When Katara enters, create a 1/1 white Ally creature token.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new CreateTokenEffect(new AllyToken())));
+
+        // Waterbend {X}: Creatures you control have base power and toughness X/X until end of turn. X can't be 0. Activate only during your turn.
+        Ability ability = new ActivateIfConditionActivatedAbility(new SetBasePowerToughnessAllEffect(
+                GetXValue.instance, GetXValue.instance, Duration.EndOfTurn,
+                StaticFilters.FILTER_CONTROLLED_CREATURES
+        ), new WaterbendCost("{X}"), MyTurnCondition.instance);
+        CardUtil.castStream(ability.getCosts(), VariableManaCost.class).forEach(cost -> cost.setMinX(1));
+        this.addAbility(ability);
+    }
+
+    private KataraWaterTribesHope(final KataraWaterTribesHope card) {
+        super(card);
+    }
+
+    @Override
+    public KataraWaterTribesHope copy() {
+        return new KataraWaterTribesHope(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 162d243d850..32e91942aa6 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -34,6 +34,8 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Fire Nation Attacks", 133, Rarity.UNCOMMON, mage.cards.f.FireNationAttacks.class));
         cards.add(new SetCardInfo("Forest", 291, Rarity.LAND, mage.cards.basiclands.Forest.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Island", 288, Rarity.LAND, mage.cards.basiclands.Island.class, FULL_ART_BFZ_VARIOUS));
+        cards.add(new SetCardInfo("Katara, Water Tribe's Hope", 231, Rarity.RARE, mage.cards.k.KataraWaterTribesHope.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Katara, Water Tribe's Hope", 351, Rarity.RARE, mage.cards.k.KataraWaterTribesHope.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Katara, the Fearless", 230, Rarity.RARE, mage.cards.k.KataraTheFearless.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Katara, the Fearless", 350, Rarity.RARE, mage.cards.k.KataraTheFearless.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Katara, the Fearless", 361, Rarity.RARE, mage.cards.k.KataraTheFearless.class, NON_FULL_USE_VARIOUS));