[Builder] Filter for card category

{"ops":[{"insert":"You can sort of already do this with \n\nfunction:burn "},{"attributes":{"blockquote":true},"insert":"\n"},{"insert":"\nEtc.\n\nThis uses scryfall's tagger tags, which isn't quite the same thing as categories set in archidekt, but it ahould he a decent enough approximation. \n\nI wouldn't want to conflate scryfall filtering with archidekt options since it would muddy the syntax. \n"}]}