Repercussion, Barbed Servitor, and Pariah

Prerequisites

• Repercussion on the battlefield
• Barbed Servitor on the battlefield
• Pariah on the battlefield

Steps

1. Deal damage to Barbed Servitor
2. Barbed Servitor and Repercussion trigger
3. Resolve the Barbed Servitor trigger, causing an opponent to lose life equal to the damage dealt
4. Resolve the Repercussion trigger, dealing damage to Barbed Servitor instead of you due to Pariah
5. Repeat from step 2

Results

• Infinite lifeloss