Mister Gutsy | Nim Deathmantle | Krark-Clan Ironworks

(and one other card)

({2} magic symbol) if
Mister Gutsy doesn't have a +1/+1 counter on it available.

Activate
Krark-Clan Ironworks by sacrificing
Mister Gutsy, adding ({C} magic symbol) ({C} magic symbol) .
When
Mister Gutsy dies, its second ability and
Nim Deathmantle trigger.
Resolve the
Mister Gutsy trigger, creating a number of Junk tokens equal to the number of +1/+1 counters that were on it.
If you created a Junk token, activate
Krark-Clan Ironworks by sacrificing a Junk, adding ({C} magic symbol) ({C} magic symbol) .
Resolve the
Nim Deathmantle trigger, causing you to pay ({4} magic symbol) to return
Mister Gutsy from your graveyard to the battlefield with a +1/+1 counter on it, and attaching
Nim Deathmantle to it.
Repeat.