diff --git a/Mage/src/main/java/mage/abilities/dynamicvalue/RoleAssignment.java b/Mage/src/main/java/mage/abilities/dynamicvalue/RoleAssignment.java
index c49ac9d232b..829d05f4976 100644
--- a/Mage/src/main/java/mage/abilities/dynamicvalue/RoleAssignment.java
+++ b/Mage/src/main/java/mage/abilities/dynamicvalue/RoleAssignment.java
@@ -4,6 +4,7 @@ import mage.cards.Card;
 import mage.cards.Cards;
 import mage.game.Game;
 
+import java.io.Serializable;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -13,7 +14,7 @@ import java.util.stream.Collectors;
  *
  * @author TheElk801
  */
-public abstract class RoleAssignment<T> {
+public abstract class RoleAssignment<T> implements Serializable {
 
     protected final List<T> attributes = new ArrayList<>();