Arc Reactor + Forsaken Monument + Rings of Brighthearth + Voltaic Key

C identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Arc Reactor by tapping it, adding {C}{C}{C}.
  2. Forsaken Monument triggers, adding {C}.
  3. Activate Voltaic Key by paying {1} and tapping it, targeting itself.
  4. Rings of Brighthearth triggers, causing you to pay {2} to copy Voltaic Key's ability, targeting Arc Reactor.
  5. Resolve both Voltaic Key abilities, untapping it and Arc Reactor.
  6. Repeat.

What the combo produces