Mister Gutsy + Nim Deathmantle + Krark-Clan Ironworks + First Day of Class
Mister Gutsy
Nim Deathmantle
Krark-Clan Ironworks
First Day of Class
Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
How it works
Cast First Day of Class by paying 1.
Activate Krark-Clan Ironworks by sacrificing Mister Gutsy, adding CC.
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 CC.
Resolve the Nim Deathmantle trigger, causing you to pay 4 to return Mister Gutsy from your graveyard to the battlefield, and attaching Nim Deathmantle to it.
When Mister Gutsy enters the battlefield, First Day of Class triggers, putting a +1/+1 counter on Mister Gutsy.