Brash Taunter + Guilty Conscience

Brash Taunter
Guilty Conscience

All permanents on the battlefield. Guilty Conscience attached to Brash Taunter. Brash Taunter does not have summoning sickness.
  1. Deal combat damage with Brash Taunter
  2. Guilty Conscience triggers, dealing 1 damage to Brash Taunter
  3. Brash Taunter triggers, dealing 1 damage to any target opponent
  4. Repeat from step 2
Infinite damage.