Purphoros, God of the Forge, Tainted Strike, and Myr Battlesphere

Prerequisites

• Purphoros, God of the Forge on the battlefield
• Tainted Strike in hand
• Myr Battlesphere in hand
• available

Steps

1. Cast Tainted Strike by paying , giving Purphoros +1/+0 and infect until end of turn
2. Cast Myr Battlesphere by paying
3. When Myr Battlesphere enters the battlefield, it and Purphoros trigger
4. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr artifact creature tokens
5. When the Myrs enter the battlefield, Purphoros triggers four times
6. Resolve all Purphoros triggers, causing each opponent to get ten poison counters
7. Each opponent loses the game due to having ten or more poison counters

Results

• Each opponent loses the game