Biovisionary, Echo Mage, and Quasiduplicate

Prerequisites

• Biovisionary on the battlefield
• Echo Mage on the battlefield
• Quasiduplicate in hand
• available

Steps

1. Cast Quasiduplicate by paying its mana cost, targeting Biovisionary
2. Holding priority, activate Echo Mage by tapping it, copying Quasiduplicate twice, with both copies targeting Biovisionary
3. Resolve all Quasiduplicate spells, creating three token copies of Biovisionary
4. At the beginning of your end step, each Biovisionary triggers
5. Resolve the first trigger, causing you to win the game

Results

• Win the game