41 x 63 card sleeves Sleeve Kings Mini USA (41x63mm) you might want to sleeve a game where the cards arent the best quality but you love the game and it gets played a lot Sleeve Kings Card Sleeves: Premium

The two toughness might actually make this card viable for 60-card formats as one of the best mana dorks in the game

It works particularly well with something like Party, where you need multiple creature types on the field Unsettled Mariner A 'hate bear' that can make interaction a nightmare for your opponents, Unsettled Mariner makes anything that targets your permanents cost just that little bit extra

I also use the Pokmon TCG Card Database, where I can check older cards featuring that Pokmon

Ungraded & graded values for all Yu-Gi-Oh PHHY YuGiOh Cards

According to my research on independent MTG card database Scryfall there are 28,124 duplicate foil versions of existing Magic card prints

That leaves JPY 480 for the three holo promos and the paper stand