Breath of Fury + Loyal Apprentice

Breath of Fury
Loyal Apprentice

All permanents on the battlefield. Breath of Fury attached to another creature you control that can attack this turn. An opponent cannot block creatures you control. You control your commander.
  1. At the beginning of your combat phase, Loyal Apprentice triggers, creating a 1/1 Thopter creature token with haste
  2. Deal combat damage to an opponent using the creature with Breath of Fury attached
  3. Breath of Fury triggers, causing you to sacrifice the creature with Breath of Fury attached, then attach Breath of Fury to the Thopter token, untap all creatures you control and to get an additional combat phase after this one
  4. Repeat each combat phase
Infinite combat phases. Infinite combat damage. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.