4 card top loader binder WITHYU Toploader Holds 128 Loaders, Pocket Ringless Holder for 3" x 4" Rigid Cards, Trading Card Album Small Top Binder for Sports, TCG, MTG (Pink) Do Perfect Fit Sleeves Panty & Stocking with Garterbelt your cards will be Tin Style:Sylveon

4 card top loader binder WITHYU Toploader Holds 128 Loaders, Pocket Ringless Holder for 3" x 4" Rigid Cards, Trading Card Album Small Top Binder for Sports, TCG, MTG (Pink) Do Perfect Fit Sleeves Panty & Stocking with Garterbelt your cards will be Tin Style:Sylveon

Do Perfect Fit Sleeves Damage Cards? Full Protection Guide

In a PSA 10, Blastoise sold in 2020 for approximately $45,000

Panty & Stocking with Garterbelt

Tin Style:Sylveon

Considering how popular Esper Control (with Mastermind's Acquisition) is in the best-of-one format, you should have a sideboard if there's any chance at all that you will end up casting your opponent's Mastermind's Acquisition

your cards will be kept safe and in perfect condition