[DFT] Implement Gastal Thrillroller

Mage/src/main/java/mage/abilities/effects/common/ReturnSourceFromGraveyardToBattlefieldEffect.java

@@ -96,7 +96,7 @@ public class ReturnSourceFromGraveyardToBattlefieldEffect extends OneShotEffect
     }
 
     private String setText() {
-        StringBuilder sb = new StringBuilder("return {this} from your graveyard to the battlefield");
+        StringBuilder sb = new StringBuilder("return this card from your graveyard to the battlefield");
         if (tapped) {
             sb.append(" tapped");
         }