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

Color identity: GU
Mana cost: {4}{U}{U}{U}
Steps:
  1. Cast Whim of Volrath with buyback by paying {2}{U}, targeting Biovisionary.
  2. Orvar's first ability triggers, creating a copy of Biovisionary.
  3. Resolve Whim of Volrath, changing nothing and returning it to your hand.
  4. Repeat two additional times, foregoing paying the buyback cost on the final iteration.
  5. At the beginning of your end step, each Biovisionary triggers.
  6. Resolve the first Biovisionary trigger, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Win the game[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
  - Biovisionary must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant