Japanese cards are often cheaper within Japan, but overseas prices can rise because of shipping costs, import fees, reseller markups, and regional demand
Follow any instructions provided by the OTS regarding their Deck List collection process, if applicable
The community often refers to this as waifu tax. Collectors frequently show off their waifu collections in online communities, making forum and community posts replete with children from the Pokmon universe including Misty, Lillie, and Marnie
Once you know what you are holding, price it on Misprint or TCGPlayer
Its really as simple as that, and with the exception of a few cards, it almost exclusively appears on Zombie tokens created by cards from Innistrad: Midnight Hunt