■ Shield Trigger Plus (When this creature is put into your hand from your shield zone , you may summon it for no cost . If it's your opponent 's turn , and you have had 2 or more of your shields broken this turn , this creature gets its ability .) Blocker (Whenever an opponent 's creature attacks , you may tap this creature to stop the attack . Then the 2 creatures battle .) When you put this creature , untap all your creatures . Your creatures can't be destroyed this turn .