Orvar, the All-Form + Clockspinning + Biovisionary

Cast Clockspinning with buyback by paying , targeting Biovisionary.

Orvar's first ability triggers, creating a copy of Biovisionary.

Resolve Clockspinning, changing nothing and returning it to your hand.

Repeat two additional times, foregoing paying the buyback cost on the final iteration.

At the beginning of your end step, each Biovisionary triggers.

Resolve the first Biovisionary trigger, causing you to win the game.