Clever Conjurer + Porcuparrot + Illusionist's Bracers

Clever Conjurer
Porcuparrot
Illusionist's Bracers

Requires
Clever Conjurer must be on the battlefield. Porcuparrot must be on the battlefield. Illusionist's Bracers must be on the battlefield. Porcuparrot is mutated on top of Clever Conjurer. Illusionist's Bracer is attached to Clever Conjurer. Clever Conjurer does not have summoning sickness.
Steps
  1. Activate the Porcuparrot pile, tapping it to untap itself.
  2. Illusionist's Bracers triggers, copying the Porcuparrot ability.
  3. Resolve the copy of the ability, untapping the Porcuparrot stack.
  4. Holding priority, activate the Porcuparrot pile by tapping it to deal damage equal to the amount of times it has mutated to any target.
  5. Resolve the original Porcuparrot untap ability, untaping it.
  6. Repeat.
Results
Infinite damage. Infinite untap. Infinite untap triggers.