Tom, Bert, and William, March of the Machines, and Carrion Feeder

Prerequisites

• Tom, Bert, and William on the battlefield
• March of the Machines on the battlefield
• Carrion Feeder on the battlefield

Steps

1. Activate Carrion Feeder 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 Carrion Feeder ability
5. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers