Screaming Nemesis, and Blazing Sunsteel

Prerequisites

• Screaming Nemesis on the battlefield
• Blazing Sunsteel on the battlefield
• You have a way to give Screaming Nemesis indestructible
• You have a way to deal damage to Screaming Nemesis

Steps

1. Give Screaming Nemesis indestructible, if needed, then deal damage to it
2. Blazing Sunsteel and Screaming Nemesis trigger
3. Resolve the Screaming Nemesis trigger, dealing at least 1 damage to any target
4. Resolve the Blazing Sunsteel trigger, dealing at least 1 damage to Screaming Nemesis
5. Repeat from step 2

Results

• Infinite damage