diff --git a/Mage.Sets/src/mage/cards/h/HydroidKrasis.java b/Mage.Sets/src/mage/cards/h/HydroidKrasis.java
new file mode 100644
index 00000000000..4a828084cf1
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/h/HydroidKrasis.java
@@ -0,0 +1,88 @@
+package mage.cards.h;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CastSourceTriggeredAbility;
+import mage.abilities.effects.common.EntersBattlefieldWithXCountersEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HydroidKrasis extends CardImpl {
+
+    public HydroidKrasis(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{X}{G}{U}");
+
+        this.subtype.add(SubType.JELLYFISH);
+        this.subtype.add(SubType.HYDRA);
+        this.subtype.add(SubType.BEAST);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // When you cast this spell, you gain half X life and draw half X cards. Round down each time.
+        this.addAbility(new CastSourceTriggeredAbility(new HydroidKrasisEffect(), false));
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // Hydroid Krasis enters the battlefield with X +1/+1 counters on it.
+        this.addAbility(new EntersBattlefieldAbility(
+                new EntersBattlefieldWithXCountersEffect(CounterType.P1P1.createInstance())
+        ));
+    }
+
+    private HydroidKrasis(final HydroidKrasis card) {
+        super(card);
+    }
+
+    @Override
+    public HydroidKrasis copy() {
+        return new HydroidKrasis(this);
+    }
+}
+
+class HydroidKrasisEffect extends OneShotEffect {
+
+    HydroidKrasisEffect() {
+        super(Outcome.Benefit);
+        staticText = "you gain half X life and draw half X cards. Round down each time.";
+    }
+
+    private HydroidKrasisEffect(final HydroidKrasisEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public HydroidKrasisEffect copy() {
+        return new HydroidKrasisEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        int halfCost = Math.floorDiv(source.getManaCostsToPay().getX(), 2);
+        player.drawCards(halfCost, game);
+        player.gainLife(halfCost, game, source);
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/RavnicaAllegiance.java b/Mage.Sets/src/mage/sets/RavnicaAllegiance.java
index 3de72bb88b3..2cf218a99e8 100644
--- a/Mage.Sets/src/mage/sets/RavnicaAllegiance.java
+++ b/Mage.Sets/src/mage/sets/RavnicaAllegiance.java
@@ -50,6 +50,7 @@ public final class RavnicaAllegiance extends ExpansionSet {
         cards.add(new SetCardInfo("Gruul Locket", 234, Rarity.COMMON, mage.cards.g.GruulLocket.class));
         cards.add(new SetCardInfo("Gruul Spellbreaker", 179, Rarity.RARE, mage.cards.g.GruulSpellbreaker.class));
         cards.add(new SetCardInfo("Hallowed Fountain", 251, Rarity.RARE, mage.cards.h.HallowedFountain.class));
+        cards.add(new SetCardInfo("Hydroid Krasis", 183, Rarity.MYTHIC, mage.cards.h.HydroidKrasis.class));
         cards.add(new SetCardInfo("Imperious Oligarch", 184, Rarity.COMMON, mage.cards.i.ImperiousOligarch.class));
         cards.add(new SetCardInfo("Incubation // Incongruity", 226, Rarity.UNCOMMON, mage.cards.i.IncubationIncongruity.class));
         cards.add(new SetCardInfo("Light Up the Stage", 107, Rarity.UNCOMMON, mage.cards.l.LightUpTheStage.class));