Boros Reckoner, and Break of Day

Prerequisites

• Boros Reckoner on the battlefield
• Break of Day in hand
• Your life total is at most 5
• 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 Break of Day by paying , giving creatures you control indestructible and +1/+1 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