diff --git a/Mage/src/main/java/mage/abilities/costs/AlternativeCost2.java b/Mage/src/main/java/mage/abilities/costs/AlternativeCost2.java
index 588cc09ea95..767c3d3c1b9 100644
--- a/Mage/src/main/java/mage/abilities/costs/AlternativeCost2.java
+++ b/Mage/src/main/java/mage/abilities/costs/AlternativeCost2.java
@@ -4,11 +4,11 @@ package mage.abilities.costs;
 import mage.game.Game;
 
 /**
+ * Virtual alternative cost, it must be tranformed to simple cost on activate in your
+ * custom ability (see askToActivateAlternativeCosts). Example: DashAbility
  *
  * @author LevelX2
  */
-
-
 public interface AlternativeCost2 extends Cost {
     
     String getName();
diff --git a/Mage/src/main/java/mage/players/PlayerImpl.java b/Mage/src/main/java/mage/players/PlayerImpl.java
index a93b200ac90..9f17e6cee31 100644
--- a/Mage/src/main/java/mage/players/PlayerImpl.java
+++ b/Mage/src/main/java/mage/players/PlayerImpl.java
@@ -3303,6 +3303,7 @@ public abstract class PlayerImpl implements Player, Serializable {
                         if (alternateSourceCostsAbility.getCosts().canPay(ability, ability, playerId, game)) {
                             ManaCostsImpl manaCosts = new ManaCostsImpl();
                             for (Cost cost : alternateSourceCostsAbility.getCosts()) {
+                                // AlternativeCost2 replaced by real cost on activate, so getPlayable need to extract that costs here
                                 if (cost instanceof AlternativeCost2) {
                                     if (((AlternativeCost2) cost).getCost() instanceof ManaCost) {
                                         manaCosts.add((ManaCost) ((AlternativeCost2) cost).getCost());
@@ -3351,8 +3352,15 @@ public abstract class PlayerImpl implements Player, Serializable {
                         if (((Ability) alternateSourceCosts).getCosts().canPay(ability, ability, playerId, game)) {
                             ManaCostsImpl manaCosts = new ManaCostsImpl();
                             for (Cost cost : ((Ability) alternateSourceCosts).getCosts()) {
-                                if (cost instanceof ManaCost) {
-                                    manaCosts.add((ManaCost) cost);
+                                // AlternativeCost2 replaced by real cost on activate, so getPlayable need to extract that costs here
+                                if (cost instanceof AlternativeCost2) {
+                                    if (((AlternativeCost2) cost).getCost() instanceof ManaCost) {
+                                        manaCosts.add((ManaCost) ((AlternativeCost2) cost).getCost());
+                                    }
+                                } else {
+                                    if (cost instanceof ManaCost) {
+                                        manaCosts.add((ManaCost) cost);
+                                    }
                                 }
                             }