Blazing Sunsteel, and Spiteful Sliver

Prerequisites

• Blazing Sunsteel on the battlefield
• Spiteful Sliver on the battlefield

Steps

1. Deal damage to the indestructible Sliver
2. The Sliver and Blazing Sunsteel trigger
3. Resolve the Sliver trigger, dealing damage to any player or planeswalker
4. Resolve the Blazing Sunsteel trigger, dealing damage to Sliver
5. Repeat from step 2

Results

• Infinite damage