Repercussion, Truefire Captain, and Pariah's Shield

Prerequisites

• Repercussion on the battlefield
• Truefire Captain on the battlefield
• Pariah's Shield on the battlefield

Steps

1. Deal damage to Truefire Captain
2. Truefire Captain and Repercussion trigger
3. Resolve the Truefire Captain trigger, dealing damage to an applicable target
4. Resolve the Repercussion trigger, dealing damage to Truefire Captain instead of you due to Pariah's Shield
5. Repeat from step 2

Results

• Infinite damage to target player