Biovisionary + Progenitor Mimic + Return the Favor

Biovisionary

Progenitor Mimic

Return the Favor

How it works

1. At the beginning of your upkeep, Progenitor Mimic triggers.
2. Holding priority, cast Return the Favor by paying and then choosing to pay an additional 1 to select its first mode, copying Progenitor Mimic's trigger.
3. Resolve both triggers, creating two token copies of Biovisionary.
4. At the beginning of your end step, each Biovisionary triggers.
5. Resolve the first trigger, causing you to win the game.