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