We would recommend unlocking each deck just to get a feel for them and add them all to your collection, but if you want to jump straight into battles with real opponents, focus on the Black & White: Basic Blue, Red and Green decks as they give you a bunch of handy trainer cards for building your own deck
The list coincides with some of the games history as well, with lots of expensive Pokmon cards from the game's history getting updates in 2021
Cards like Essence Channeler and Case of the Uneaten Feast complement this strategy well, and its not hard to draw a card every turn while beating down with this white creature
The Chaos Emeralds fetch a number of different prices, but considering the spendiest are 7032 and 7034 at $279.99, and 7031 fetching $259.99, it seems reasonable to put them at #3 on this list
Because there are so many One Piece decks, its important to make sure youre buying the best ones, whether its sealed packs that can be played straight out of the box or older Starter packets that carry competitive staples