How it works
Prerequisites
- Breath of Fury attached to another creature you control.
- An opponent cannot block creatures you control.
- 2x Creature with Haste and MV <= 3
Steps
- 1Declare Excava and the creature with Breath of Fury attached as attackers.
- 2Excava triggers, returning up to one creature with haste and mana value 3 or less from your graveyard to the battlefield. It won't enter with a finality counter on it due to Solemnity.
- 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 a creature with haste and mana value 3 or less, then causing you to untap all creatures you control and to get an additional combat phase after this one.
- 5Repeat each combat phase.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?