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Hello, I am a new user to Duelingbook and was trying to test out the new Solfachord support cards in solo mode and can't seem to find a "Add to Extra Deck faceup" option of any kind. Is this not a feature by chance? I know it's a niche case and the generic "eww, Pendulum" comments, but there's a few cards such as Pendulum Treasure for example that require a duelist to add a card to the Extra Deck faceup. Just wanted to make sure I wasn't doing something wrong.