Calamity, Galloping Inferno + Biovisionary + Adrix and Nev, Twincasters

Calamity, Galloping Inferno

Biovisionary

Adrix and Nev, Twincasters

How it works

1. Activate Calamity's saddle ability by tapping Biovisionary, causing Calamity to become saddled until end of turn.
2. Declare Calamity as an attacker.
3. Calamity triggers, creating four token copies of Biovisionary that are tapped and attacking.
4. At the beginning of your end step, Calamity triggers four times and each Biovisionary triggers.
5. Resolve the first Biovisionary trigger, causing you to win the game.

By using Biovisionary to saddle Calamity, Galloping Inferno, you set the stage for an explosive multiplication of wizardry. When Calamity attacks, its trigger would normally make two token copies of Biovisionary, but the replacement effect from Adrix and Nev, Twincasters doubles that output to four. Because you now control four creatures with the exact same name, Biovisionary's own end-step ability successfully resolves and immediately hands you the win.