Coalhauler Swine, and Pariah's Shield

Prerequisites

• Coalhauler Swine on the battlefield
• Pariah's Shield on the battlefield

Steps

1. Deal damage to Coalhauler Swine
2. Coalhauler Swine triggers, dealing that much damage to each player
3. Any damage that would be dealt to you is instead dealt to Coalhauler Swine due to Pariah's Shield
4. Repeat step 2

Results

• Infinite damage
• Draw the game