Ghyrson Starn, Kelermorph + Boros Reckoner

Ghyrson Starn, Kelermorph

Boros Reckoner

How it works

1. Give Boros Reckoner indestructible, if needed, and then deal exactly 1 damage to Boros Reckoner.
2. Boros Reckoner and Ghyrson Starn trigger.
3. Resolve the Ghyrson Starn trigger, dealing 2 damage to Boros Reckoner.
4. Boros Reckoner triggers, dealing 2 damage to any target.
5. Resolve the Boros Reckoner trigger from step 2, dealing 1 damage to itself.
6. Repeat from step 2.