Grinding Station + Mox Opal + Yomiji, Who Bars the Way

W identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Grinding Station by tapping it and sacrificing Mox Opal.
  2. Yomiji triggers, returning Mox Opal from your graveyard to your hand.
  3. Resolve the Grinding Station ability, causing target player to mill three cards.
  4. Cast Mox Opal by paying {0}.
  5. When Mox Opal enters the battlefield, Grinding Station triggers, untapping Grinding Station.
  6. Repeat.
  7. If you control at least one additional artifact, you may also activate Mox Opal once per loop, resulting in infinite colored mana.

What the combo produces