The Beamtown Bullies, Bronze Bombshell, and Thornbite Staff

Prerequisites

• The Beamtown Bullies on the battlefield
• Bronze Bombshell in the graveyard
• Thornbite Staff on the battlefield
• Thornbite Staff attached to The Beamtown Bullies

Steps

1. During an opponent's turn, activate The Beamtown Bullies by tapping it, putting Bronze Bombshell onto the battlefield under that opponent's control
2. Bronze Bombshell triggers, causing the opponent to sacrifice it and deal seven damage to that opponent
3. Bronze Bombshell dies, triggering The Beamtown Bullies, untapping The Beamtown Bullies
4. Repeat

Results

• Infinite damage