Biovisionary, Echo Mage, and Blue Sun's Twilight

Prerequisites

• Biovisionary on the battlefield
• Echo Mage on the battlefield
• Blue Sun's Twilight in hand
• available

Steps

1. Cast Blue Sun's Twilight by paying its mana cost, targeting Biovisionary
2. Holding priority, activate Echo Mage by tapping it, copying Blue Sun's Twilight twice, with both copies targeting Biovisionary
3. Resolve all Blue Sun's Twilight 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