Rootwater Hollows
Land-Forest Island (Rare)

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

Rootwater Hollows enters the battlefield tapped unless you pay G.

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

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

Greg Briclot