diff --git a/Mage.Sets/src/mage/cards/g/GyrusWakerOfCorpses.java b/Mage.Sets/src/mage/cards/g/GyrusWakerOfCorpses.java
new file mode 100644
index 0000000000..b7224b4424
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GyrusWakerOfCorpses.java
@@ -0,0 +1,129 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mage.cards.g;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.common.delayed.AtTheEndOfCombatDelayedTriggeredAbility;
+import mage.abilities.dynamicvalue.common.ManaSpentToCastCount;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.CreateTokenCopyTargetEffect;
+import mage.abilities.effects.common.ExileTargetEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.constants.Zone;
+import mage.counters.CounterType;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetCardInYourGraveyard;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author Will
+ */
+public final class GyrusWakerOfCorpses extends CardImpl {
+    
+    private static final FilterCreatureCard filter = new FilterCreatureCard("target creature card with lesser power from your graveyard");
+
+    static {
+        filter.add(new GyrusWakerOfCorpsesPowerLessThanSourcePredicate());
+    }
+    
+    public GyrusWakerOfCorpses(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{X}{B}{R}{G}");
+        
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HYDRA);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+        
+        // Gyrus, Walker of Corpses enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.
+        Effect effect = new AddCountersSourceEffect(CounterType.P1P1.createInstance(0), new ManaSpentToCastCount(), true);
+        effect.setText("with a number of +1/+1 counters on it equal to the amount of mana spent to cast it");
+        this.addAbility(new EntersBattlefieldAbility(effect));
+        
+        // Whenever Gyrus attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that’s a copy of that card and that’s tapped and attacking. Exile the token at the end of combat.
+        Ability ability = new AttacksTriggeredAbility(new GyrusWakerOfCorpsesEffect(), true);
+        ability.addTarget(new TargetCardInYourGraveyard(filter));
+        this.addAbility(ability);
+    }
+    
+    public GyrusWakerOfCorpses(final GyrusWakerOfCorpses card) {
+        super(card);
+    }
+    
+    @Override
+    public GyrusWakerOfCorpses copy() {
+        return new GyrusWakerOfCorpses(this);
+    }
+}
+
+class GyrusWakerOfCorpsesEffect extends OneShotEffect {
+
+    public GyrusWakerOfCorpsesEffect() {
+        super(Outcome.Copy);
+        this.staticText = "exile target creature card with lesser power from your graveyard. If you do, create a token that’s a copy of that card and that’s tapped and attacking. Exile the token at the end of combat.";
+    }
+
+    public GyrusWakerOfCorpsesEffect(final GyrusWakerOfCorpsesEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GyrusWakerOfCorpsesEffect copy() {
+        return new GyrusWakerOfCorpsesEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+
+        Card card = game.getCard(source.getFirstTarget());
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller == null || card == null) {
+            return false;
+        }
+        controller.moveCards(card, Zone.EXILED, source, game);
+        CreateTokenCopyTargetEffect effect = new CreateTokenCopyTargetEffect(source.getControllerId(), null, true, 1, true, true);
+        effect.setTargetPointer(new FixedTarget(card.getId(), card.getZoneChangeCounter(game)));
+        effect.apply(game, source);
+        for (Permanent addedToken : effect.getAddedPermanent()) {
+            Effect exileEffect = new ExileTargetEffect();
+            exileEffect.setTargetPointer(new FixedTarget(addedToken, game));
+            new CreateDelayedTriggeredAbilityEffect(new AtTheEndOfCombatDelayedTriggeredAbility(exileEffect), false).apply(game, source);
+        }
+        return true;
+    }
+}
+
+class GyrusWakerOfCorpsesPowerLessThanSourcePredicate implements ObjectSourcePlayerPredicate<ObjectSourcePlayer<Card>> {
+
+    @Override
+    public boolean apply(ObjectSourcePlayer<Card> input, Game game) {
+        Permanent sourcePermanent = game.getPermanentOrLKIBattlefield(input.getSourceId());
+        return sourcePermanent != null && input.getObject().getPower().getValue() < sourcePermanent.getPower().getValue();
+    }
+
+    @Override
+    public String toString() {
+        return "lesser power";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Commander2018.java b/Mage.Sets/src/mage/sets/Commander2018.java
index c3aa0955e2..65db6e261d 100644
--- a/Mage.Sets/src/mage/sets/Commander2018.java
+++ b/Mage.Sets/src/mage/sets/Commander2018.java
@@ -133,6 +133,7 @@ public final class Commander2018 extends ExpansionSet {
         cards.add(new SetCardInfo("Grisly Salvage", 182, Rarity.COMMON, mage.cards.g.GrislySalvage.class));
         cards.add(new SetCardInfo("Ground Seal", 149, Rarity.RARE, mage.cards.g.GroundSeal.class));
         cards.add(new SetCardInfo("Gruul Turf", 252, Rarity.UNCOMMON, mage.cards.g.GruulTurf.class));
+        cards.add(new SetCardInfo("Gyrus, Waker of Corpses", 41, Rarity.MYTHIC, mage.cards.g.GyrusWakerOfCorpses.class));
         cards.add(new SetCardInfo("Halimar Depths", 253, Rarity.COMMON, mage.cards.h.HalimarDepths.class));
         cards.add(new SetCardInfo("Harrow", 150, Rarity.COMMON, mage.cards.h.Harrow.class));
         cards.add(new SetCardInfo("Haunted Fengraf", 254, Rarity.COMMON, mage.cards.h.HauntedFengraf.class));
diff --git a/Mage/src/main/java/mage/abilities/dynamicvalue/common/ManaSpentToCastCount.java b/Mage/src/main/java/mage/abilities/dynamicvalue/common/ManaSpentToCastCount.java
index d2e841f720..767c185e7a 100644
--- a/Mage/src/main/java/mage/abilities/dynamicvalue/common/ManaSpentToCastCount.java
+++ b/Mage/src/main/java/mage/abilities/dynamicvalue/common/ManaSpentToCastCount.java
@@ -29,7 +29,7 @@ public class ManaSpentToCastCount implements DynamicValue {
         }
         if (spell != null) {
             // NOT the cmc of the spell on the stack
-            return spell.getSpellAbility().getManaCostsToPay().convertedManaCost() + spell.getSpellAbility().getManaCostsToPay().getX();
+            return spell.getSpellAbility().getManaCostsToPay().convertedManaCost();
         }
         return 0;
     }