Biovisionary, Thunderclap Drake, and Cackling Counterpart

Prerequisites

• Biovisionary on the battlefield
• Thunderclap Drake on the battlefield
• Cackling Counterpart on the battlefield
• plus enough mana to cast the copy spell available

Steps

1. Activate Thunderclap Drake by paying and sacrificing it
2. Cast Cackling Counterpart by paying its mana cost, targeting Biovisionary
3. Thunderclap Drake triggers, copying Cackling Counterpart at least twice, with all copies targeting Biovisionary
4. Resolve all Cackling Counterpart spells, creating at least three copies of Biovisionary
5. At the beginning of your end step, each Biovisionary triggers, causing you to win the game

Results

• Win the game