* Flashback ability - Fixed that flashback abilities with non mana costs (e.g. Cabal Therapy) added the costs wrongly again as additional costs to the tooltip text of the card.

Mage/src/mage/game/stack/StackAbility.java

@@ -390,6 +390,16 @@ public class StackAbility implements StackObject, Ability {
         this.ability.setRuleVisible(ruleVisible);
     }
 
+    @Override
+    public boolean getAdditionalCostsRuleVisible() {
+        return this.ability.getAdditionalCostsRuleVisible();
+    }
+
+    @Override
+    public void setAdditionalCostsRuleVisible(boolean ruleAdditionalCostsVisible) {
+        this.ability.setAdditionalCostsRuleVisible(ruleAdditionalCostsVisible);
+    }
+    
     @Override
     public UUID getOriginalId() {
         return this.ability.getOriginalId();