op 09 booster box case One Piece Card Game - The New Emperor OP-09 12x (Sealed Case) [Japanese] New and Existing Cards Can Be Combined to Build Powerful Decks One Piece Card Game -

Once per turn, during their End Phase, if that effect was applied this turn: Apply the following effect

It really depends on the era and the format, but there is some tendency for certain decks to force uneven distributions of color representation for pockets of time unless the format is largely settled out the way Vintage or Legacy is

These include Origin Forme Palkia, Origin Forme Dialga, Giratina, and Arceus

In short, the Reserved List is a comprehensive list of cards that Wizards of the Coast won't print again, and most of those cards are downright weird or at least are a product of their time

Finding it too hard