Thran Vigil, and Goblin Bombardment

Prerequisites

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

Steps

1. Activate Goblin Bombardment by sacrificing the persist creature
2. When the persist creature 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 the persist creature
4. Resolve the Goblin Bombardment ability, dealing 1 damage to any target
5. Repeat

Results

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