How it works
Prerequisites
- An opponent cannot block creatures you control.
- You control at least one Mountain.
- There are creature cards in your library.
Steps
- 1Declare Raph & Mikey and the creature with Breath of Fury attached as attackers.
- 2Raph & Mikey triggers, revealing a creature card from your library and putting it onto the battlefield tapped and attacking.
- 3Deal combat damage using the creature that has Breath of Fury attached.
- 4Breath 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.
- 5Repeat each combat phase until you have no creatures left in your library.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?