Glacier Godmaw is a uncommon Creature — Leviathan card from Edge of Eternities (EOE), collector number 188. Current market price: $0.30 (foil $0.34), TCGplayer market prices via Scryfall.
Trample When this creature enters, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.") Landfall — Whenever a land you control enters, creatures you control get +1/+1 and gain vigilance and haste until end of turn.