■ Whenever one of your creatures wins a battle , that creature breaks one of your opponent 's shields . (Whenever another D2 Field is put into the battle zone , put this D2 Field into your graveyard .) Denjara Switch —At the start of your turn , you may turn this D2 Field upside down for the rest of the game . If you do, this turn , each of your opponent 's untapped creatures can be attacked as if they were tapped .