Goblin Bombardment, Wingrattle Scarecrow, and Thran Vigil

Prerequisites

• Goblin Bombardment on the battlefield
• Wingrattle Scarecrow on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Goblin Bombardment by sacrificing Wingrattle Scarecrow
2. When Wingrattle Scarecrow dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on Wingrattle Scarecrow
4. Resolve the Goblin Bombardment ability
5. Repeat

Results

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