Deleted Step 2 Deck and (maybe too many) “duplicate” cards

Deleted my step 2 deck a while back, and a ton of cards tagged as potential duplicates without checking if they are currently used. Is there any way to reintegrate these files into my anking deck without losing all of my step 1 deck progress?

You can unsubscribe and resubscribe to the deck and it’ll re-import those cards