Anhelo, the Painter, Twinning Staff, Howl of the Horde, and Phyresis Outbreak

Prerequisites

• Anhelo, the Painter on the battlefield
• Twinning Staff on the battlefield
• Howl of the Horde in hand
• Phyresis Outbreak in hand
• You control at least one creature with power two or greater
• You have attacked this turn
• You have not cast an instant and/or sorcery spell this turn
• available

Steps

1. Cast Howl of the Horde by paying and sacrificing a creature with power two or greater
2. Howl of the Horde's casualty ability triggers, creating two copies of it due to Twinning Staff
3. Resolve each Howl of the Horde, causing you to copy the next instant or sorcery spell you cast six times
4. Cast Phyresis Outbreak by paying
5. Each Howl of the Horde triggers, copying Phyresis Outbreak a total of nine times due to Twinning Staff
6. Resolve each Phyresis Outbreak, 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