Carmok, the Thief

When Carmok, the Thief enters, you may gain control of target nonland permanent until end
of turn. When Carmok, the Thief is blocked
by one or more creatures, gain control of target blocking creature until end of turn.
That creature must attack a different opponent if able. When Carmok, the Thief leaves the battlefield, exile one permanent you stole with Carmok, the Thief. Permanent's player makes a Treasure Token.