Lithoform Engine + Teferi, Temporal Archmage

U identity

Commander legal

The 2 combo pieces

What must be in place

You control at least three lands.

How to execute it

  1. Activate Teferi, Temporal Archmage's second ability by removing a loyalty counter from it.
  2. In resopnse, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Teferi's activated ability.
  3. Let the copied ability resolve, untapping three lands and Lithoform Engine.
  4. Activate those lands by tapping them, adding at least {3}.
  5. Repeat from step 2.
  6. Once you have infinite mana, you may untap any permanents in step 3.

What the combo produces