Aetherflux Reservoir + Elspeth, Storm Slayer + Metalwork Colossus + Warren Soultrader

WB identity

Commander legal

The 4 combo pieces

• Aetherflux Reservoir
• Elspeth, Storm Slayer
• Metalwork Colossus
• Warren Soultrader

What must be in place

The total mana value of noncreature artifacts you control is at least 10.

How to execute it

1. Cast Metalwork Colossus by paying {0}.
2. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn.
3. Activate Warren Soultrader by paying 1 life and sacrificing Metalwork Colossus, creating two Treasure tokens.
4. Activate Metalwork Colossus by sacrificing the Treasures, returning Metalwork Colossus from your graveyard to your hand.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite sacrifice triggers
• Infinite storm count