Mirror of Fate, Aetherflux Reservoir, Yawgmoth's Will, and Gwenom, Remorseless

Prerequisites

• Mirror of Fate on the battlefield
• Aetherflux Reservoir on the battlefield
• Yawgmoth's Will in hand
• Gwenom, Remorseless on the battlefield
• available

Steps

1. Cast Yawgmoth's Will by paying Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
2. Activate Mirror of Fate by tapping it and exiling it due to Yawgmoth's Will, choosing Mirror of Fate and up to six other cards from exile, then exiling your library and putting the chosen cards on top of your library, ensuring to place Mirror of Fate on top of your library
3. Cast Mirror of Fate from the top of your library by paying 5 life due to Gwenom
4. Repeat from step 2

Results

• Cast all spells from your library and exile infinitely
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers
• Infinite magecraft triggers
• Infinite storm count