How can you create a combo with Orvar, the All-Form, Whim of Volrath, Chromatic Orrery, Mirror Box?
user
[START OF COMBO]This combo can be formed with Orvar, the All-Form, Whim of Volrath, Chromatic Orrery, Mirror Box

Color identity: U
Mana cost: 
Steps:
  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Cast Whim of Volrath with buyback by paying {3}, targeting Chromatic Orrery.
  3. Orvar's first ability triggers, creating a token copy of Chromatic Orrery.
  4. Resolve Whim of Volrath, returning it to your hand.
  5. Repeat.
  6. Once you have infinite mana, you may instead activate the Chromatic Orrery tokens using their second abilities, or target any other permanent.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite copies of all permanents you control
  - Infinite creature tokens
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite landfall triggers
  - Infinitely large nontoken creatures you control
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Orvar, the All-Form must be on the battlefield
  - Whim of Volrath must be in your hand
  - Chromatic Orrery must be on the battlefield
  - Mirror Box must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant