Noctis, Prince of Lucis + Aetherflux Reservoir + Solemnity + Welding Jar

Prerequisites

• There is at least one additional artifact on the battlefield.
• Your life total is at least 4 if you've cast two or more spells this turn, 5 if you've cast one spell this turn, or 7 otherwise.

Steps

1. 1Cast Welding Jar from your graveyard by paying and 3 life. It will not enter with a finality counter due to Solemnity.
2. 2Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn.
3. 3Resolve Welding Jar, and it will not enter with a finality counter due to Solemnity.
4. 4Activate Welding Jar by sacrificing it.
5. 5Repeat

Effects

• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers
• Infinite storm count