diff --git a/src/engine/mbEnums.java b/src/engine/mbEnums.java
index 46a451dd..ac8cb0ad 100644
--- a/src/engine/mbEnums.java
+++ b/src/engine/mbEnums.java
@@ -3030,6 +3030,7 @@ public class mbEnums {
     }
 
     public enum CostType {
+        NONE,
         HEALTH,
         MANA,
         STAMINA;