Ashnod's Altar + Clock of Omens + Primal Vigor + Retrofitter Foundry

Mana needed: {2}

G identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Retrofitter Foundry's second ability by paying {2} and tapping it, creating two 1/1 Servo artifact creature tokens.
  2. Activate Clock of Omens by tapping the Servos, untapping Retrofitter Foundry.
  3. Activate Ashnod's Altar by sacrificing a Servo, adding {C}{C}.
  4. Repeat.
  5. Once you have infinite mana, you may instead use Retrofitter Foundry's first ability to untap it and get infinite untapped Servo tokens.

What the combo produces