Tetsucabra, Oni Frog

Trample When Testsucabra, Oni Frog enters, create four 0/4 Boulder Artifact creature tokens with Defender. {R}{R}{R}{R}{R}: Destroy target artifact creature. Tetsucabra, Oni Frog gains +X/0, where X equals the artifact creature’s toughness. Target of the Hunt! - When this creature is destroyed, the player who destroyed this creature gains control of this card and Transforms it.