Centaur Grave
Land-Swamp Forest (Rare)

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

When Centaur Grave enters the battlefield, sacrifice it unless you pay G.

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

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

Jason Chippy