https://www.keyforgegame.com/deck-details/6738bfd9-8dd1-4985-8cbc-888b129d644b
Free markets is a Sanctum action card that gets you 1 Amber, to a maximum of 6, for every house with a card in play, excepting Sanctum....
is that cap just future proofing it against a maverick, or is there some other way to have 7 houses in two decks?