At the beginning of your combat phase, Helm of the Host and Brudiclad trigger.
Resolve the Helm of the Host trigger, creating a token copy of Biovisionary with haste.
Resolve the Brudiclad trigger, 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.