Nyx Lotus + Rings of Brighthearth + Voltaic Key

C identity

Commander legal

The 3 combo pieces

What must be in place

Your devotion to any color is at least four.

How to execute it

  1. Activate Nyx Lotus by tapping it, adding at least four mana of any color with which you have devotion.
  2. Activate Voltaic Key by paying {1} and tapping it, targeting itself.
  3. Rings of Brighthearth triggers, causing you to pay {2} to copy Voltaic Key's ability, targeting Nyx Lotus.
  4. Resolve both Voltaic Key abilities, untapping it and Nyx Lotus.
  5. Repeat.

What the combo produces