Brash Taunter, Pariah's Shield, and Repercussion

Prerequisites

• Brash Taunter on the battlefield
• Pariah's Shield on the battlefield
• Repercussion on the battlefield
• Pariah's Shield attached to Brash Taunter
• You have a way to deal damage to Brash Taunter

Steps

1. Deal damage to Brash Taunter
2. Brash Taunter and Repercussion triggers
3. Resolve the Brash Taunter trigger, dealing that much damage to an opponent
4. Resolve the Repercussion trigger, dealing that much damage to Brash Taunter due to Pariah's Shield
5. Repeat from step 2

Results

• Infinite damage