At the beginning of your end step, if you didn't cast any spells this turn, Timberland Catacomb 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 a Swamp. When Timberland Catacomb enters the battlefield, put a -1/-1 counter on target land.