Raph & Mikey, Troublemakers + Breath of Fury + Tannuk, Steadfast Second Combo

All permanents on the battlefield (Breath of Fury attached to another creature you control on the battlefield).

There are creature cards in your library.

An opponent cannot block creatures you control.

Declare Raph & Mikey and the creature with Breath of Fury attached as attackers.

Raph & Mikey triggers, revealing a creature card from your library and putting it onto the battlefield tapped and attacking.

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 creature put onto the battlefield in step 2, and then causing you to untap all creatures you control and to get an additional combat phase after this one.

Repeat each combat phase until you have no creatures left in your library.

Significant creature ETB

Significant creature LTB

Significant combat damage

Significant combat phases

Significant death triggers

Significant creature sacrifice triggers

Significant mana creatures you control can produce

Significant untap of creatures you control