If you control two or more other lands, this land enters tapped. : Add . : Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.
Lair of the Hydra (Dungeon Module) (AFR-356) - Adventures in the Forgotten Realms: (Showcase) Foil
If you control two or more other lands, this land enters tapped. : Add . : Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.
: Add 
.
