When Optimus Prime, Hero dies, it triggers, returning itself from your graveyard to the battlefield as Optimus Prime, Autobot Leader.
When Optimus Prime, Autobot Leader enters the battlefield, Genesis Chamber triggers, creating a 1/1 Myr artifact creature token.
Activate Krark-Clan Ironworks by sacrificing the Myr, adding ({C} magic symbol) ({C} magic symbol) .
Activate Eldrazi Displacer by paying ({2} magic symbol) ({C} magic symbol) , blinking Optimus Prime, Autobot Leader, causing it to return to the battlefield as Optimus Prime, Hero.
When Optimus Prime, Hero enters the battlefield, Genesis Chamber triggers, creating a 1/1 Myr artifact creature token.
Repeat.
Results
Infinite colorless mana.
Infinite creature tokens.
Infinite death triggers.
Infinite ETB.
Infinite LTB.
Infinite sacrifice triggers.
Infinite blinking of creatures you control except Eldrazi Displacer.