Ulamog's Dreadsire, Thornbite Staff, and Goblin Bombardment

Prerequisites

• Ulamog's Dreadsire on the battlefield
• Thornbite Staff on the battlefield
• Goblin Bombardment on the battlefield
• Thornbite Staff attached to Ulamog's Dreadsire
• Ulamog's Dreadsire does not have summoning sickness

Steps

1. Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature tokens
2. Activate Goblin Bombardment by sacrificing the Eldrazi token
3. When the Eldrazi token dies, Ulamog's Dreadsire triggers, untapping Ulamog's Dreadsire
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