Cackling Counterpart in hand or in your graveyard.
Brudiclad and Biovisionary on the battlefield.
You control at least one additional token.
({1} magic symbol) ({U} magic symbol) ({U} magic symbol) if Cackling Counterpart is in hand, or ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) if it's in your graveyard available.
Steps
Cast Cackling Counterpart either from your hand by paying ({1} magic symbol) ({U} magic symbol) ({U} magic symbol) or from your graveyard for its flashback cost by paying ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) , creating a token copy of Biovisionary.
At the beginning of your combat phase, Brudiclad triggers, creating a 2/1 Phyrexian Myr creature token, then choosing to have all tokens you control become copies of the Biovisionary token.
At the beginning of your end step, each Biovisionary triggers.
Resolve the first Biovisionary trigger, causing you to win the game.