Ayara, Widow of the Realm + Breath of Fury

Ayara, Widow of the Realm
Breath of Fury

Requires
Ayara, Widow of the Realm // Ayara, Furnace Queen must be on the battlefield. Breath of Fury must be on the battlefield. Furnace Queen. Breath of Fury attached to another nontoken creature you control. You have at least one creature card in your graveyard. An opponent cannot block creatures you control.
Steps
  1. At the beginning of your combat phase, Ayara triggers, returning a creature card from your graveyard to the battlefield, and giving it haste until end of turn.
  2. Deal combat damage using the creature that has Breath of Fury attached.
  3. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the nontoken creature Ayara returned, then causing you to untap all creatures you control and to get an additional combat phase after this one.
  4. Repeat each combat phase.
Results
Infinite combat damage. Infinite combat phases. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.