Corridor Monitor + Gilded Lotus + Panharmonicon + Prototype Portal

U identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Gilded Lotus by tapping it, adding three mana of any color.
  2. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Corridor Monitor.
  3. The Corridor Monitor token enters the battlefield, untapping Prototype Portal and Gilded Lotus.
  4. Repeat.

What the combo produces