Rot Wildwood
Land (Rare)

At the beginning of your end step, if you didn't cast any spells this turn, Rot Wildwood deals 1 damage to you.

Tap: Add B or G to your mana pool.

Put Rot Wildwood on top of your library: Add 1 to your mana pool.

1: Rot Wildwood becomes a 2/2 black Wizard creature until end of turn. It's still a land.

Justin Prescott