Declare the creature with Breath of Fury attached as an attacker.
Rabble Rousing triggers, creating a 1/1 Human Citizen creature token.
Deal combat damage using the creature that has Breath of Fury attached.
Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the Human Citizen token, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Repeat each combat phase.


Infinite combat damage

Infinite combat phases

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite mana creatures you control can produce

Infinite creature sacrifice triggers

Infinite untap of creatures you control

Breath of Fury

Rabble Rousing

Roar of Resistance

Anger

Urabrask the Hidden

Fervor

Mass Hysteria

Combos with "Rabble Rousing"