Boros Reckoner, Boros Charm, and Steel of the Godhead

Prerequisites

• Boros Charm in hand
• All permanents on the battlefield
• Steel of the Godhead attached to Boros Reckoner

Steps

1. Cast Boros Charm by paying , giving permanents you control indestructible until end of turn
2. Deal damage to Boros Reckoner
3. Boros Reckoner triggers, dealing that much damage to itself
4. Boros Reckoner triggers, gaining you that many life
5. Repeat from step 2

Results

• Infinite lifegain
• Infinite lifegain triggers