How can you create a combo with Yomiji, Who Bars the Way, Mox Opal, Grinding Station?
user
[START OF COMBO]This combo can be formed with Yomiji, Who Bars the Way, Mox Opal, Grinding Station

Color identity: W
Mana cost: 
Steps:
  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.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite mill
  - Infinite self-mill
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant