Peat Steppe
Land-Swamp Forest (Rare)

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

When Peat Steppe enters the battlefield, sacrifice it unless you pay B.

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

2GG, Tap: Put a 2/2 green Snake creature token onto the battlefield.

Steve Palck