Deathly Canopy
Land-Swamp Forest (Rare)

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

When Deathly Canopy enters the battlefield, you lose 2 life unless you reveal a basic land card from your hand.

2B, Tap: Target player loses 1 life.

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

Douglas Moeller