Pain for All, and Dawnsire, Sunstar Dreadnought

Prerequisites

• Pain for All on the battlefield
• Dawnsire, Sunstar Dreadnought on the battlefield

Steps

1. Declare a creature as an attacker
2. Dawnsire triggers, dealing 100 damage to the creature that has Pain for All attached
3. Pain for All triggers, dealing 100 damage to each opponent

Results

• Near-infinite damage