Aetherflux Reservoir + Metalwork Colossus + Stridehangar Automaton + Warren Soultrader

B identity

Commander legal

The 4 combo pieces

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 a 1/1 Thopter artifact creature token and a Treasure token.
  4. Activate Metalwork Colossus by sacrificing the Treasure and Thopter, returning Metalwork Colossus from your graveyard to your hand.
  5. Repeat.

What the combo produces