{"ops":[{"insert":"I have an EDH deck that shows as legal, but includes duplicate copies of many cards. When I try to remove one of these duplicate cards, both versions are removed. When I re-add one of these cards, the problem ocurrs again. \nThe deck in question: https://archidekt.com/decks/2056086#LOTS_OF_LIFE\n"}]}
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{"ops":[{"insert":"The duplication bug is one that's been around for a long time and we've never been able to quite nail down the cause of. It's quite rare in the grand scheme of things, so the fact that your deck has so many instances of it (including a triplicate!) is very interesting. There's a somewhat tedious way of fixing this card by card, but I'd honestly recommend just copying the text list of the deck from the deck edit menu and pasting it into a new deck. Using the copy deck feature will unfortunately transfer the duplications over to the new list, but just pasting in the text of it works fine. Please let me know if you need any other guidance on how to do this. \n\nIs there anything you can tell my about how you put this deck together that might help me identify how the duplications happened? If this hasn't happened with other decks of yours, is there anything different about how you built this one? Any detail could be important, so I'd appreciate anything you remember. Regardless, I apologize for the inconvenience! I know this is a frustrating bug to have randomly pop up in one of your decks, and I regret there isn't an easier way of fixing it. \n"}]}
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{"ops":[{"insert":"Thanks for the response, Jeremy. I have built a handful of other decks here and have never encountered this issue with those. I'll take your advice about export to text and re-importing to a new deck!\n\nHere is what I can remember about building this deck:\nAt one point I copied the deck and moved it to a new folder"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"I've dragged the cards to new categories"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"In previous versions of this deck, I've had card in a category that wasn't \"in the deck\" (ie: the Maybeboard)"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"I've used the find in deck filter"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"At one point, I tried to resolve this issue by going to each duplicate card and changing the set it was from. This appeared to work but when I saved and reloaded the issue came back"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"At one point, the site recognized all the duplicates and displayed the deck as invalid and the duplicates were in red. I'm not sure how it got to this state, but when it was like this I removed all duplicates, saved, and refreshed the page. It looked like it worked, but when I opened the deck later, the duplicates reappeared. "},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"I always use Chrome when editing my deck"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"\nGood luck diagnosing this problem and thanks for the help! I will let you know if I encounter this again or remember anything else about the deck building process. \n"}]}
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