Chromatic Orrery + Dross Scorpion + Myr Matrix + Phyrexian Altar

C identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Activate Myr Matrix by paying {5}, creating a 1/1 Myr artifact creature token.
  3. Activate Phyrexian Altar by sacrificing the Myr, adding {1}.
  4. The Myr dies, triggering Dross Scorpion, untapping Chromatic Orrery.
  5. Repeat.
  6. Once you have infinite mana, if you control a colored permanent, you may activate Chromatic Orrery's second ability instead to draw infinite cards.

What the combo produces