buy silver tempest booster box Pokémon TCG: Sword & Shield Display : Toys & Games Pokemon TCG Sword & Shield

(Xyz Materials attached to that monster also become Xyz Materials on this card.) This card gains DEF equal to the total Ranks of all Xyz Monsters you control x 200

Of course, they have the benefit of being from Kanto, and thus, around the longest, but it's still testament to their popularity worldwide

Card Name Mana Cost Type Legendary Creature Human Rebel Rarity Uncommon rules Text ReachWhenever Barret Wallace attacks, it deals damage equal to the number of equipped creatures you control to defending player

Based purely on the numbers, it seems like the best way to maximize value would be opening all the packs and selling the cards individually as opposed to keeping them sealed