magic the gathering dominaria united booster box One Piece OP2 · Whatnot: Shop, Sell, Connect allowing newcomers to quickly catch up to experienced players! Bandai ONE Piece Card Game

Two of the pre-built decks can be found in the Pokmon TCG: Scarlet & Violet - Build & Battle Stadium Set, which will be available for wider retail release alongside the aforementioned booster decks

Rarity is also a factor, especially when certain cards go out of print

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Jolteon is a particular standout that is actually used in top non-standard decks, able to completely negate damage from basic Pokemon for a turn

SE Secret Rare Malevolent Catastrophe X TRAP When an opponent's monster declares an attack: Destroy all Spells and Traps on the field

Turns out I was right, as the deck's going rate (minus the priceless Unknown cards) is only about $200, which isn't bad for a totally custom deck