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

Color identity: GU
Mana cost: {6}{U}{U}{U}
Steps:
  1. Cast Clockspinning with buyback by paying {3}{U}, targeting Biovisionary.
  2. Orvar's first ability triggers, creating a copy of Biovisionary.
  3. Resolve Clockspinning, 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
  - Clockspinning must be in your hand
  - Biovisionary must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant