The Prismatic Piper, Rakdos, Lord of Riots, Warstorm Surge, and Goblin Bombardment

Prerequisites

• The Prismatic Piper in the command zone
• Rakdos, Lord of Riots on the battlefield
• Warstorm Surge on the battlefield
• Goblin Bombardment on the battlefield
• You are able to cast The Prismatic Piper for due to Rakdos

Steps

1. Cast The Prismatic Piper from the command zone by paying
2. Warstorm Surges triggers, dealing 3 damage to any target opponent
3. Activate Goblin Bombardment by sacrificing The Prismatic Piper
4. Choose to have The Prismatic Piper return to command zone
5. Resolve the Goblin Bombardment's ability, dealing 1 damage to any target
6. Repeat

Results

• Infinite commander casts
• Infinite damage
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers