diff --git a/Mage.Sets/src/mage/sets/newphyrexia/MyrSuperion.java b/Mage.Sets/src/mage/sets/newphyrexia/MyrSuperion.java
index 4eb8127c2e0..99ee8fe07ef 100644
--- a/Mage.Sets/src/mage/sets/newphyrexia/MyrSuperion.java
+++ b/Mage.Sets/src/mage/sets/newphyrexia/MyrSuperion.java
@@ -35,7 +35,7 @@ import mage.cards.CardImpl;
 import mage.constants.CardType;
 import mage.constants.Rarity;
 import mage.constants.Zone;
-import mage.filter.common.FilterCreatureCard;
+import mage.filter.common.FilterCreaturePermanent;
 
 /**
  *
@@ -43,7 +43,7 @@ import mage.filter.common.FilterCreatureCard;
  */
 public class MyrSuperion extends CardImpl {
 
-    private static FilterCreatureCard filter = new FilterCreatureCard();
+    private static FilterCreaturePermanent filter = new FilterCreaturePermanent();
 
     public MyrSuperion(UUID ownerId) {
         super(ownerId, 146, "Myr Superion", Rarity.RARE, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{2}");
diff --git a/Mage/src/main/java/mage/players/ManaPool.java b/Mage/src/main/java/mage/players/ManaPool.java
index 0655b19af9b..0fd3ebad7e7 100644
--- a/Mage/src/main/java/mage/players/ManaPool.java
+++ b/Mage/src/main/java/mage/players/ManaPool.java
@@ -47,6 +47,7 @@ import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.events.GameEvent.EventType;
 import mage.game.events.ManaEvent;
+import mage.game.stack.Spell;
 
 /**
  *
@@ -130,7 +131,10 @@ public class ManaPool implements Serializable {
         for (ManaPoolItem mana : manaItems) {
             if (filter != null) {
                 if (!filter.match(mana.getSourceObject(), game)) {
-                    continue;
+                    // Prevent that cost reduction by convoke is filtered out
+                    if (!(mana.getSourceObject() instanceof Spell) || ability.getSourceId().equals(mana.getSourceId())) {
+                        continue;
+                    }
                 }
             }
             if (!manaType.equals(unlockedManaType) && autoPayment && autoPaymentRestricted && mana.count() == mana.getStock()) {