Neriv, Heart of the Storm, and Boros Reckoner

Prerequisites

• Neriv, Heart of the Storm on the battlefield
• Boros Reckoner in hand
• available

Steps

1. Cast Boros Reckoner by paying its mana cost
2. Give Boros Reckoner indestructible
3. Deal damage to Boros Reckoner
4. Boros Reckoner triggers, dealing double that much damage to itself due to Neriv
5. Repeat step 4 an arbitrarily large number of times
6. Resolve the final Boros Reckoner trigger, dealing an arbitrarily large amount of damage to any target

Results

• Infinite damage to one opponent