Marcus, the Wormiesock

Marcus, the Wormiesock enters the battlefield with
X +1/+1 counters on it.
Whenever Marcus attacks, create a Junk token.(It's
an artifact with "{t}, Sacrifice this token: Exile the
top card of your library. You may play that card this
turn. Activate only as a sorcery.")
Sacrifice five Junk: Gain control of target creature
for as long as you control Marcus. Activate only as a sorcery.
"I feel happiness as I begin to experience organ failure."