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 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.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Daretti, Rocketeer Engineer

Genesis Chamber

Cursed Mirror

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"