diff --git a/Mage.Sets/src/mage/cards/s/SovereignOkinecAhau.java b/Mage.Sets/src/mage/cards/s/SovereignOkinecAhau.java
new file mode 100644
index 00000000000..7475382ed48
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SovereignOkinecAhau.java
@@ -0,0 +1,80 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.*;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.keyword.WardAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.counters.CounterType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.UUID;
+
+/**
+ *
+ * @author Grath
+ */
+public final class SovereignOkinecAhau extends CardImpl {
+
+    public SovereignOkinecAhau(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{G}{W}");
+        
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.CAT);
+        this.subtype.add(SubType.NOBLE);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(4);
+
+        // Ward {2}
+        this.addAbility(new WardAbility(new ManaCostsImpl<>("{2}")));
+
+        // Whenever Sovereign Okinec Ahau attacks, for each creature you control with power greater than that
+        // creature's base power, put a number of +1/+1 counters on that creature equal to the difference.
+        this.addAbility(new AttacksTriggeredAbility(new SovereignOkinecAhauEffect()));
+    }
+
+    private SovereignOkinecAhau(final SovereignOkinecAhau card) {
+        super(card);
+    }
+
+    @Override
+    public SovereignOkinecAhau copy() {
+        return new SovereignOkinecAhau(this);
+    }
+}
+
+
+class SovereignOkinecAhauEffect extends OneShotEffect {
+
+    SovereignOkinecAhauEffect() {
+        super(Outcome.Benefit);
+        staticText = "for each creature you control with power greater than that" +
+                "creature's base power, put a number of +1/+1 counters on that creature equal to the difference.";
+    }
+
+    private SovereignOkinecAhauEffect(final SovereignOkinecAhauEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SovereignOkinecAhauEffect copy() {
+        return new SovereignOkinecAhauEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        for (Permanent permanent : game.getBattlefield().getActivePermanents(StaticFilters.FILTER_CONTROLLED_CREATURE, source.getControllerId(), source, game)) {
+            int powerDiff = permanent.getPower().getValue() - permanent.getPower().getModifiedBaseValue();
+            if (powerDiff > 0) {
+                permanent.addCounters(CounterType.P1P1.createInstance(powerDiff), source.getControllerId(), source, game);
+            }
+        }
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/TheLostCavernsOfIxalan.java b/Mage.Sets/src/mage/sets/TheLostCavernsOfIxalan.java
index 1035cf29327..7e44fde777b 100644
--- a/Mage.Sets/src/mage/sets/TheLostCavernsOfIxalan.java
+++ b/Mage.Sets/src/mage/sets/TheLostCavernsOfIxalan.java
@@ -90,6 +90,7 @@ public final class TheLostCavernsOfIxalan extends ExpansionSet {
         cards.add(new SetCardInfo("Sanguine Evangelist", 34, Rarity.RARE, mage.cards.s.SanguineEvangelist.class));
         cards.add(new SetCardInfo("Skullcap Snail", 119, Rarity.COMMON, mage.cards.s.SkullcapSnail.class));
         cards.add(new SetCardInfo("Song of Stupefaction", 77, Rarity.COMMON, mage.cards.s.SongOfStupefaction.class));
+        cards.add(new SetCardInfo("Sovereign Okinec Ahau", 240, Rarity.MYTHIC, mage.cards.s.SovereignOkinecAhau.class));
         cards.add(new SetCardInfo("Sovereign's Macuahuitl", 155, Rarity.COMMON, mage.cards.s.SovereignsMacuahuitl.class));
         cards.add(new SetCardInfo("Spring-Loaded Sawblades", 36, Rarity.UNCOMMON, mage.cards.s.SpringLoadedSawblades.class));
         cards.add(new SetCardInfo("Spyglass Siren", 78, Rarity.UNCOMMON, mage.cards.s.SpyglassSiren.class));