At the beginning of your end step, if you didn't cast any spells this turn, Treetop Coast deals 1 damage to you. : Add  to your mana pool. Activate this ability only if you control a Forest. : Add  to your mana pool. Activate this ability only if you control an Island. : Treetop Coast becomes a 1/1 green and blue Beast creature with flying until end of turn. It's still a land.