Noctis, Prince of Lucis, Aetherflux Reservoir, Solemnity, and Jeweled Lotus

Prerequisites

• Noctis, Prince of Lucis on the battlefield
• Aetherflux Reservoir on the battlefield
• Solemnity on the battlefield
• Jeweled Lotus in the graveyard

Steps

1. Cast Jeweled Lotus from your graveyard by paying and 3 life
2. It will not enter with a finality counter due to Solemnity
3. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
4. Resolve Jeweled Lotus, and it will not enter with a finality counter due to Solemnity
5. Activate Jeweled Lotus by tapping and sacrificing it, adding three mana of any color that can only be spent to cast your commander
6. Repeat

Results

• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain
• Infinite storm count
• Infinite colored mana that can only be spent to cast your commander