Infernal Vessel, Valkyrie's Call, and Goblin Bombardment

Prerequisites

• Infernal Vessel on the battlefield
• Valkyrie's Call on the battlefield
• Goblin Bombardment on the battlefield
• undefined

Steps

1. Activate Goblin Bombardment by sacrificing Infernal Vessel
2. When Infernal Vessel dies, it triggers, returning itself from your graveyard to the battlefield as a Demon in addition to its other types
3. Resolve the Goblin Bombardment ability
4. Activate Goblin Bombardment by sacrificing Infernal Vessel
5. When Infernal Vessel dies, Valkyrie's Call triggers, returning Infernal Vessel from your graveyard to the battlefield as an Angel in additional to its other types
6. Resolve the Goblin Bombardment ability
7. Repeat

Results

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