Breathing Form N and The Mark: Two Mechanics, One Mardu Deck

This Demon Slayer Commander deck runs on two original mechanics. Breathing Form N numbers its Forms, and they must be played in order, one per turn, with no skipping — the real payoff only kicks in once you reach Form 5, and missing a Form sends you back to Form 1 while everything already spent stays spent. The Mark rewards a wounded creature that survives combat with a mark counter, +2/+0 and haste, but each counter costs you 1 life at every one of your end steps.

• Breathing Form N: numbered Forms played strictly in sequence, with escalating payoffs starting at Form 5.
• The Mark: surviving creatures grow stronger and faster, at the cost of life lost every end step.

100 Cards, Bracket 4, Ready for the Table

The deck ships as a complete 100-card Commander deck built to Bracket 4, led by Tanjiro Kamado and Nezuko Kamado. Choose a digital download or a printed deck, with card text available in 10 languages.