Suggestion: Allow selecting multiple cards and "add to category" as well as "move to"

{"ops":[{"insert":"Hey guys! Decent site (new from Moxfield) and I like that this site takes user inputs and has more fancy stats. I'm currently importing my lands package and categorizing the lands manually. I quickly found the \"select multiple\" and \"move to category\" functions and they're a lifesaver!\n\n"},{"attributes":{"color":"#66a3e0","bold":true},"insert":"It would be great to be able to select my ten lands and "},{"attributes":{"italic":true,"color":"#66a3e0","bold":true},"insert":"add"},{"attributes":{"color":"#66a3e0","bold":true},"insert":" them to another category en masse, not just "},{"attributes":{"italic":true,"color":"#66a3e0","bold":true},"insert":"move"},{"attributes":{"color":"#66a3e0","bold":true},"insert":" them to a category."},{"insert":"\n\nFor example, "},{"insert":{"card-link":"Lonely Arroyo"}},{"insert":" is a Desert type, but it is also a crime land. I would like to tag its whole cycle with Desert and Crime. Now, the kicker: I also run "},{"insert":{"card-link":"Desert of the Fervent"}},{"insert":" and the like for extra draw in off-draw colors. I would like to tag those as Desert and Cycling. It would be nice to select these 15 cards between crime and cycling and merely add the secondary Desert category to them in one stroke.\nThis would go well in deckbuilding, too. Select cards that fit a specific "},{"attributes":{"strike":true},"insert":"tag"},{"insert":" category and add them to that category without having to worry about whether you might've scrubbed other categories from cards on accident..\n"}]}