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Hello!
Unfortunately, I can't find LEB cards in Deck Editor search. To be more exact, there're only two of them: Circle Of Protection: Black and Volcanic Island. What can I do to add the other LEB cards?
P.S. The LEB list is present at D:\Forge\res\editions.
P.P.S. The same thing is with Unlimited, Revised Edition, 4th Edition, 5th Edition, 6th Edition, 7th Edition, 8th Edition, 9th Edition and 10th Edition.

You need to disable 'Unique Cards Only' in your deck editor.

In the deck editor, click on the settings wrench and uncheck the 'Unique Cards only' box. (You may need to scroll to the left to find it)