Activate Extruder by sacrificing Optimus Prime, Hero.
When Optimus Prime, Hero dies, its second ability triggers, returning it from your graveyard to the battlefield as Optimus Prime, Autobot Leader.
Activate Extruder by sacrificing Optimus Prime, Autobot Leader.
When Optimus Prime, Autobot Leader dies, Luminous Broodmoth triggers, returning Optimus Prime from your graveyard to the battlefield as Optimus Prime, Hero with a flying counter on it.
Resolve both Extruder abilities from steps 1 and 3, putting two +1/+1 counters on a creature you control.