Mana Echoes + Retrofitter Foundry

Mana needed: {2} plus up to {10} additional depending on the number of Servos you control

R identity

Commander legal

The 2 combo pieces

How to execute it

  1. Activate Retrofitter Foundry's second ability by paying {2} and tapping it, creating a 1/1 Servo artifact creature token.
  2. When the Servo enters the battlefield, Mana Echoes triggers.
  3. If you control less than three Servos, activate Retrofitter Foundry's first ability by paying {3}, untapping it.
  4. If you control less than three Servos, repeat from step 1 until you control three Servos.
  5. Resolve all Mana Echoes triggers, adding {C} for each Servo you control for each trigger.
  6. Activate Retrofitter Foundry's first ability by paying {3}, untapping it.
  7. Activate Retrofitter Foundry's second ability by paying {2} and tapping it, creating a 1/1 Servo artifact creature token.
  8. When the Servo enters the battlefield, Mana Echoes triggers, adding {C} for each Servo you control.
  9. Repeat from step 6.
  10. Once you have infinite mana, you may use Retrofitter Foundry's other abilities.

What the combo produces