Guilty Conscience, and Frilled Deathspitter

Prerequisites

• Guilty Conscience on the battlefield
• Frilled Deathspitter on the battlefield

Steps

1. Deal damage to Frilled Deathspitter
2. Frilled Deathspitter triggers, dealing 2 damage to an opponent
3. Guilty Conscience triggers, dealing damage to Frilled Deathspitter
4. Repeat from step 2

Results

• Infinite damage to target opponent