Whenever you cast an Aura or Equipment spell, put a +1/+1 counter on Mister Gutsy.
When Mister Gutsy dies, create X Junk tokens, where X is the number of +1/+1 counters on it.
(They're artifacts with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")