Animate Artifact + Energy Arc + Isochron Scepter

WU identity

Commander legal

The 3 combo pieces

What must be in place

Animate Artifact attached to Isochron Scepter.
You control creatures that can tap to produce at least {3}.

How to execute it

  1. Activate creatures you control by tapping those, adding {3}.
  2. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Energy Arc without paying its mana cost, untapping all creatures.
  3. Repeat.

What the combo produces