Koll, the Forgemaster, Sai of the Shinobi, Crimson Kobolds, and Goblin Bombardment

Prerequisites

• Koll, the Forgemaster on the battlefield
• Sai of the Shinobi on the battlefield
• Crimson Kobolds in hand
• Goblin Bombardment on the battlefield

Steps

1. Cast Crimson Kobolds by paying
2. When Crimson Kobolds enters the battlefield, Sai of the Shinobi triggers, attaching Sai of the Shinobi to Crimson Kobolds
3. Activate Goblin Bombardment by sacrificing Crimson Kobolds
4. When Crimson Kobolds dies, Koll triggers, returning Crimson Kobolds from your graveyard to your hand
5. Resolve the Goblin Bombardment ability, dealing 1 damage to any target
6. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count