Its working on multiple levels and reaching across packs to do double or - this case - triple duty
It isnt uncommon to see players go up to 70 or more cards post-sideboard in Constructed, and in certain Limited formats, just add basic lands until its impossible for the opponent to win, like Vintage Cube
Archfiend of the Dross Archfiend of the Dross is the type of card where you want to maximize the upside, like Demonic Pact
Moreover, losing Ceruledge is less risky than Armarouge EX, since you only lose 1 point
The decks have some mass removal, and more targeted, but there are definitely more threats than there are answers so the stalemate is generally not going to last
Heres everything we know about the Bloomburrow Commander decks, including decklists