カヴの新（しん）天（てん）地（ち）探（さが）し

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, create a Lander token. At the beginning of the end step on your next turn, sacrifice that 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.")