At the beginning of your end step, if you didn't cast any spells this turn, Rootbound Bluffs deals 1 damage to you. When Rootbound Bluffs enters the battlefield, put a land you control on the bottom of its owner's library. : Add  to your mana pool. : Rootbound Bluffs becomes a 2/1 green and red Squirrel creature until end of turn. It's still a land.