Cavernous Maw
Land — Cave
: Add .
: This land becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.
Printings & Conditions (1)
The Lost Caverns of Ixalan (LCI)(The Lost Caverns of Ixalan)#270Uncommon