氷（ひょう）河（が）の神（かみ）大（おお）口（ぐち）

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.