At the beginning of your end step, if you didn't cast any spells this turn, Shelldock Encampment deals 1 damage to you. When Shelldock Encampment enters the battlefield, put a land you control on the bottom of its owner's library. : Add  to your mana pool. , Sacrifice Shelldock Encampment: Shelldock Encampment deals 1 damage to target creature or player.