Guilty Conscience, Spitemare, and Indestructibility

Prerequisites

• Guilty Conscience on the battlefield
• Spitemare on the battlefield
• Indestructibility on the battlefield
• Indestructibility and Guilty Conscience attached to Spitemare
• Spitemare does not have summoning sickness

Steps

1. Attack with Spitemare
2. When Spitemare deals damage, Guilty Conscience triggers, dealing damage to Spitemare equal to the amount of damage Spitemare dealt
3. Spitemare triggers, dealing damage equal to the amount of damage Guilty Conscience dealt to it to any target
4. Repeat from step 2

Results

• Infinite damage