Genesis Chamber, Cursed Mirror, and Daretti, Rocketeer Engineer

Prerequisites

• Genesis Chamber on the battlefield
• Cursed Mirror in the graveyard
• Daretti, Rocketeer Engineer in hand or in the command zone
• plus commander tax if applicable available

Steps

1. Cast Daretti by paying plus commander tax if applicable When Daretti enters the battlefield, it and Genesis Chamber trigger
2. Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token
3. 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
4. Put Cursed Mirror into your graveyard due to the legend rule
5. Cursed Mirror and Genesis Chamber trigger
6. Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token
7. 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
8. Repeat from step 5

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers