Requires

Biovisionary must be on the battlefield. Storm King's Thunder must be in hand. Croaking Counterpart must be in hand. Mana needed:

Steps

1. Cast Storm King's Thunder by paying , copying the next instant or sorcery spell you cast twice.
2. Cast Croaking Counterpart by paying , targeting Biovisionary.
3. Storm King's Thunder triggers, copying Croaking Counterpart twice, with both copies targeting Biovisionary.
4. Resolve all Croaking Counterparts, creating three token copies of Biovisionary that are 1/1 Frogs.
5. At the beginning of your end step, each Biovisionary triggers.
6. Resolve the first trigger, causing you to win the game.

Results