Blazing Sunsteel, and Brash Taunter

Prerequisites

• Blazing Sunsteel on the battlefield
• Brash Taunter on the battlefield

Steps

1. Deal damage to Brash Taunter
2. Brash Taunter and Blazing Sunsteel trigger
3. Resolve the Brash Taunter trigger, dealing damage to any opponent
4. Resolve the Blazing Sunsteel trigger, dealing damage to Brash Taunter
5. Repeat from step 2

Results

• Infinite damage