op12 booster box One Piece TCG: Legacy of the Master [OP-12] decks built around the new cards are powerful enough to give newcomers a chance to compete with experienced players One Piece Card Game ENGLISH

For source methodology, compare the logic behind Pokmon card pricing sources

A deck is composed of Pokmon, Energy, and Trainer cards

I played as a purely casual player for a couple of years when I first got into Magic , and while we had free mulligans and no clue about formats, we still wouldn't let people play with silver-bordered cards

For deck testing, Discord, Lord of Disharmony MTG proxy is useful when you want to see whether your table enjoys the cards randomness, whether the deck needs more protection, and whether Discord creates fun gameplay rather than four people reading random card names into their phones for twenty minutes