Boros Reckoner, and Boros Charm

Prerequisites

• Boros Reckoner on the battlefield
• Boros Charm in hand
• You have a way to give Boros Reckoner lifelink
• You have a way to deal damage to Boros Reckoner
• available

Steps

1. Give Boros Reckoner lifelink
2. Cast Boros Charm by paying , giving permanents you control indestructible until end of turn
3. Deal damage to Boros Reckoner
4. Boros Reckoner triggers, dealing that much damage to itself and causing you to gain that much life
5. Repeat step 4 any number of times

Results

• Infinite lifegain
• Infinite lifegain triggers