Breath of Fury + Llanowar Scout + Azorius Chancery Combo

Azorius Chancery in hand.

All other permanents on the battlefield (Breath of Fury attached to any additional creature without summoning sickness you control on the battlefield and Llanowar Scout without summoning sickness on the battlefield).

An opponent is unable to block and kill creatures you control.

Activate Llanowar Scout by tapping it, putting Azorius Chancery from your hand onto the battlefield.

Azorius Chancery enters the battlefield, triggering itself and the permanent with a landfall ability.

Resolve the Azorius Chancery trigger, returning it from the battlefield to your hand.

Resolve the landfall trigger, creating a creature token.

Deal combat damage to an opponent with the creature that has Breath of Fury attached.

Breath of Fury triggers, causing you to sacrifice the creature it is attached to and then attach Breath of Fury to the creature token from step 4, untap all creatures you control, and get an additional combat phase after this one.

Repeat each combat phase.

Infinite creature ETB

Infinite creature LTB

Infinite combat damage

Infinite combat phases

Infinite death triggers

Infinite landfall triggers

Infinite mana creatures you control can produce

Infinite creature sacrifice triggers

Infinite untap of creatures you control