■ Each of your commands gets " slayer ". (Whenever another D2 Field is put into the battle zone , put this D2 Field into your graveyard .) Denjara Switch : At the end of the turn , you may turn this D2 Field upside down for the rest of the game . If you do, summon a darkness or fire command that costs 6 or less from your graveyard or hyperspatial zone for no cost .