Lair of the Hydra (Dungeon Module) (Showcase) (356) Foil - Adventures in the Forgotten Realms

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.
{T}: Add {G}.
{X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.