Fiendlash, and Ill-Tempered Loner // Howlpack Avenger

Prerequisites

• Fiendlash on the battlefield
• Ill-Tempered Loner // Howlpack Avenger on the battlefield

Steps

1. Deal damage to Ill-Tempered Loner // Howlpack Avenger Fiendlash and Ill-Tempered Loner // Howlpack Avenger trigger
2. Resolve the Ill-Tempered Loner // Howlpack Avenger trigger, dealing damage to any player or planeswalker
3. Resolve the Ill-Tempered Loner // Howlpack Avenger trigger, dealing at least 1 damage to itself
4. Repeat from step 2

Results

• Infinite damage