16 pocket trading card binder FunGuys for Cards, 9 Pocket, 504 Side Loading Sports Card Binder, Card Collection Binder for Yugioh, MTG, TCG, Card Book Holder for Trading Cards : Toys & Games Steven Universe Painted Binder Progress:

Cut from the US version is a shot of the card cutting into the Rare Hunter's hand.) The Rare Hunter dives for it

Carefully apply it over the printed design with a squeegee to remove air bubbles

The playtest cards in the Mystery Boosters look very similar to those from Wizards R&D, with a white rectangle on the front of an existing card to represent the sticker, a funny placeholder name and art, as well as the all-important TEST CARDNot for constructed play text at the very bottom

There's also a purchasable Masterwork Research for a Master Ball, which will be useful if you encounter one of the Galarian legendary birds