Grassy Cairns
Land-Swamp Forest (Rare)

(Tap: Add B or G to your mana pool.)

When Grassy Cairns enters the battlefield, you lose 1 life unless you reveal a basic land card from your hand.

2G, Tap: Target green creature gains trample until end of turn.

2, Tap: Target land becomes a 3/3 black Zombie creature until end of turn. It's still a land.

Aleksi Critchlow