Chromatic Orrery + Corridor Monitor + Lithoform Engine + Panharmonicon

Mana needed: {1}

U identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Corridor Monitor for {2}.
  2. With Corridor Monitor on the stack, use Lithoform Engine to copy the spell, using Chromatic Orrery to pay for Lithoform Engine.
  3. Let the copy of Corridor Monitor resolve, triggering Corridor Monitor twice due to Panharmonicon, untapping Chromatic Orrery and Lithoform Engine.
  4. Repeat steps 2-3.

What the combo produces