Biovisionary + Mnemonic Deluge + Heat Shimmer

Biovisionary

Mnemonic Deluge

Heat Shimmer

How it works

1. Cast Mnemonic Deluge by paying 6, exiling Heat Shimmer and casting three copies of it without paying their mana costs.
2. Resolve the three Heat Shimmer copies, creating three token copies of Biovisionary.
3. At the beginning of your end step, each Biovisionary you control triggers.
4. Resolve the first trigger, causing you to win the game.