Fiendlash + Spitemare

Prerequisites

You have a way to deal damage to Spitemare.

Steps

1. Deal damage to Spitemare
2. Fiendlash and Spitemare trigger.
3. Resolve the Spitemare trigger, dealing damage to any target.
4. Resolve the Spitemare trigger, dealing at least 1 damage to itself.
5. Repeat from step 2.