Dawnsire, Sunstar Dreadnought, and Fiendlash

Prerequisites

• Dawnsire, Sunstar Dreadnought on the battlefield
• Fiendlash on the battlefield

Steps

1. Declare any creature as an attacker
2. Dawnsire triggers, dealing 100 damage to the creature with Fiendlash attached Fiendlash triggers, dealing 100 damage to target opponent

Results

• Near-infinite damage to one opponent