Lair of the Hydra (AFR) #356 [EN/F] s/o

Land · If you control two or more other lands, this land enters tapped. {T}: Add {G}. {X}{G}: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0. · Illustrated by Wayne Reynolds · Adventures in the Forgotten Realms #356 · EDHREC rank 2423 · Magic: The Gathering, MTG