Chromatic Orrery + Karn, the Great Creator + Vigean Graftmage

U identity

Commander legal

The 3 combo pieces

What must be in place

Chromatic Orrery does not have summoning sickness.
Chromatic Orrery has at least one +1/+1 counter on it.

How to execute it

  1. Activate Karn's first ability by putting a loyalty counter on it, causing Chromatic Orrery to become an artifact creature until end of turn.
  2. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  3. Activate Vigean Graftmage by paying {2}, untapping Chromatic Orrery.
  4. Repeat from step 2.
  5. Once you have infinite mana, you may activate Chromatic Orrery's second ability instead to draw infinite cards.

What the combo produces