Deathly Cradle
Land-Swamp Forest (Rare)

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

Deathly Cradle enters the battlefield tapped unless you control two or more Black permanents.

BB, Tap, Sacrifice Deathly Cradle: Put a -1/-1 counter on target creature.

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

John Argyle