■ Whenever one of your creatures is attacked , you may put the top card of your deck into your mana zone . If it's a Dreammate , stop the attack . (Whenever another D2 Field is put into the battle zone , put this D2 Field into your graveyard .) Denjara Switch —At the start of your opponent 's turn , you may turn this D2 Field upside down for the rest of the game . If you do, whenever an opponent 's creature attacks this turn , they must attack creatures if able.