yugioh dark hex card sleeves Sleeve YuGiOh! Card (50) – Tournament Legal, Premium Glossy Finish, Konami The Chronicles Deck The Fallen & The Virtuous Yugioh these sleeves are as slick and stylish as a Duellist could dream Yu-Gi-Oh! - Dark Hex Card

You will also need (and we can't stress this enough) sturdy, weatherproof storage for your cards, decks, binders, and so on

Looking at the most valuable cards in the Final Fantasy x Magic: The Gathering set as of the time of writing shows that the highest-value cards are all either foil or surge foil printings, which seems to have contributed to the hyper-inflated cost of both individual Collector Booster packs (now going for $100 on the secondary market) and a Collector Booster Display Box (fetching up to $1,200)

Shiinotic Pokemon Surging Sparks Illustration Rare #194 PSA 10

However, when the strategy lost Double Turbo Energy, it had to completely change the way it played

That, and there really aren't that many Zombie Synchros in the first place (less than 10 at last check)