Coalhauler Swine, and Pariah's Shield

Prerequisites

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

Steps

1. Give Coalhauler Swine indestrucrible, if needed
2. Deal damage to Coalhauler Swine by any method
3. Coalhauler Swine triggers, dealing damage equal to the damage dealt to it to each opponent and to itself due to Pariah's Shield
4. Repeat step 3

Results

• Infinite damage