How can you create a combo with Mirran Spy, Banishing Knack, Mox Opal?
user
[START OF COMBO]This combo can be formed with Mirran Spy, Banishing Knack, Mox Opal

Color identity: U
Mana cost: 
Steps:
  1. Activate Mox Opal by tapping it, adding {U}.
  2. Cast Banishing Knack by paying {U}, targeting Mirran Spy.
  3. Activate Mirran Spy by tapping it, returning Mox Opal from the battlefield to your hand.
  4. Cast Mox Opal by paying {0}.
  5. Mirran Spy triggers, untapping itself.
  6. Activate Mox Opal by tapping it, adding one mana of any color.
  7. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mirran Spy must be on the battlefield
  - Banishing Knack must be in your hand
  - Mox Opal must be on the battlefield
  - You control at least three artifacts.
[END OF COMBO PREREQUISITES]
assistant