Biovisionary | Progenitor Mimic | Return the Favor

Cards

Return the Favor in hand.
Biovisionary and
Progenitor Mimic on the battlefield (
Progenitor Mimic as a copy of
Biovisionary).

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