Mosswort Delta
Land-Swamp Forest (Rare)

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

Mosswort Delta enters the battlefield tapped unless you pay B.

2G, Tap: Target green creature gets +2/+2 until end of turn.

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

Christopher Avon