Filter out cards used in other decks

{"ops":[{"insert":"There may be a way to do this already but if not. Under the Filter and Sort in the search for adding cards to a deck could you add a filter that hides cards that are already in use in another one of your decks so that you don't accidentally add a card to a deck that you are using in a different one. I know this would not be helpful for the people that have lots of random test decks unless you put a lot more work into it and made it so you can select the decks that it hides. For example if I have decks 1, 2, and 3 then I am making deck 4 I can filter to my collection then hide cards being used in decks 1 and 3 or hide cards being used in 1, 2, and 3 so that they could chose to only hide the cards that they have in decks that they are using. Sorry if this was hard to follow and thank you for all your amazing work on this site.\n"}]}