tanto cuore card sleeves Sleeve Kit 60 sleeves per pack Swan Premium Card Sleeves (65x90mm)

However, right now prices seem pretty much under control, especially considering how powerful many of the cards are

CHAOS ORIGIN

If nothing else, its controversial as well as powerful and has only gotten more popular since it was first printed

Number 39: Utopia X LIGHT Rank 4 [ Warrior / XyzEffect ] ATK 2500 DEF 2000 2 Level 4 monsters When a monster declares an attack: You can detach 1 material from this card

All "ZW -" act as support cards for "Number 39: Utopia" and its evolved forms

But of course, there are multiple factors that affect values such as card condition, character popularity, and whether the card is graded or not