Tom, Bert, and William, March of the Machines, and Goblin Bombardment

Prerequisites

• Tom, Bert, and William on the battlefield
• March of the Machines on the battlefield
• Goblin Bombardment on the battlefield

Steps

1. Activate Goblin Bombardment by sacrificing Tom, Bert, and William
2. When Tom, Bert, and William die, they trigger, returning them from your graveyard to the battlefield as a noncreature artifact
3. Because Tom, Bert, and William enter as a noncreature artifact, March of the Machines will then cause Tom, Bert, and William to be a 5/5 artifact creature
4. Resolve the Goblin Bombardment ability
5. Repeat

Results

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