Hissing Quagmire
Magic: The Gatheringrare· Edge of Eternities: Stellar Sights

Hissing Quagmire

This land enters tapped. {T}: Add {B} or {G}. {1}{B}{G}: Until end of turn, this land becomes a 2/2 black and green Elemental creature with deathtouch. It's still a land.