This land enters tapped. {T}: Add {G} or {U}. {2}{G}{U}: This land becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.
This land enters tapped.
T: Add G or U.
2GU: Until end of turn, this land becomes a 3/3 green and blue Elemental creature with hexproof. It's still a land.