Repercussion, Brash Taunter, and Gideon's Sacrifice

Prerequisites

• Repercussion on the battlefield
• Brash Taunter on the battlefield
• Gideon's Sacrifice in hand
• available

Steps

1. Cast Gideon's Sacrifice by paying , targeting Brash Taunter
2. Deal damage to Brash Taunter
3. Brash Taunter and Repercussion trigger
4. Resolve the Brash Taunter trigger, dealing damage to an applicable target
5. Resolve the Repercussion trigger, dealing damage to Brash Taunter instead of you due to Gideon's Sacrifice
6. Repeat from step 2

Results

• Infinite damage to one opponent