Cast Daretti by paying {4}{R} plus commander tax if applicable.
When Daretti enters the battlefield, it and Weapons Manufacturing trigger.
Resolve the Weapons Manufacturing trigger, creating a Munitions token.
Resolve the Daretti trigger, causing you to sacrifice the Munitions to return Cursed Mirror from your graveyard to the battlefield as a copy of Daretti.
Put Cursed Mirror into your graveyard due to the legend rule.
Cursed Mirror, the Munitions token that was sacrificed and Weapons Manufacturing each trigger.
Resolve the Munitions trigger, dealing 2 damage to any target.
Resolve the Weapons Manufacturing trigger, creating a Munitions token..
Resolve the Cursed Mirror trigger, causing you to sacrifice the Munitions to return Cursed Mirror from your graveyard to the battlefield as a copy of Daretti.
Repeat from step 5.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite creature LTB

Infinite damage

Infinite death triggers

Daretti, Rocketeer Engineer

Weapons Manufacturing

Cursed Mirror

Cast Daretti by paying {4}{R} plus commander tax if applicable
When Daretti enters the battlefield, it and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Daretti trigger, causing you to sacrifice the Myr to return Cursed Mirror from your graveyard to the battlefield as a copy of Daretti.
Put Cursed Mirror into your graveyard due to the legend rule.
Cursed Mirror and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Cursed Mirror trigger, causing you to sacrifice the Myr to return Cursed Mirror from your graveyard to the battlefield as a copy of Daretti.
Repeat from step 5

Infinite creature ETB

Infinite creature sacrifice triggers

Genesis Chamber

Cast Daretti by paying {4}{R} plus commander tax if applicable.
When Daretti enters the battlefield, it and Weapons Manufacturing trigger.
Resolve the Weapons Manufacturing trigger, creating a Munitions token.
Resolve the Daretti trigger, causing you to sacrifice the Munitions to return Machine God's Effigy from your graveyard to the battlefield as a copy of Daretti.
Put Machine God's Effigy into your graveyard due to the legend rule.
Machine God's Effigy, the Munitions token that was sacrificed and Weapons Manufacturing each trigger.
Resolve the Munitions trigger, dealing 2 damage to any target.
Resolve the Weapons Manufacturing trigger, creating a Munitions token..
Resolve the Machine God's Effigy trigger, causing you to sacrifice the Munitions to return Machine God's Effigy from your graveyard to the battlefield as a copy of Daretti.
Repeat from step 5.

Machine God's Effigy

Cast Daretti by paying {4}{R}.
When Daretti enters the battlefield, it and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Daretti trigger, causing you to sacrifice the Myr to return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Daretti.
Put Phyrexian Metamorph into your graveyard due to the legend rule.
Phyrexian Metamorph and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Phyrexian Metamorph trigger, causing you to sacrifice the Myr to return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Daretti.
Repeat.

Phyrexian Metamorph

Cast Daretti by paying {4}{R}.
When Daretti enters the battlefield, it and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Daretti trigger, causing you to sacrifice the Myr to return Machine God's Effigy from your graveyard to the battlefield as a copy of Daretti.
Put Machine God's Effigy into your graveyard due to the legend rule.
Machine God's Effigy and Genesis Chamber trigger.
Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
Resolve the Machine God's Effigy trigger, causing you to sacrifice the Myr to return Machine God's Effigy from your graveyard to the battlefield as a copy of Daretti.
Repeat.

Combos with "Daretti, Rocketeer Engineer"