Horrors, much like the real-world fears they represent, are a varied sort, combining card theft, discard effects, and evasion, among other abilities
Sources: The rarity information and examples above were compiled from official and reputable TCG resources, including card game guides and community data, to ensure accuracy for the English version of the One Piece Card Game
Japanese cards are often made from better, more hard-wearing materials Many cards still have first edition markings Cards often release in Japan months before theyre released around the world Some designs get altered for the international market This doesnt mean theyre more to buy though
They also perform arguably powerful (and breakable) effects
Once the card looks like the background matches, the card is done, no matter what I think
Although its owner wouldn't be able to use the Master's Key to their advantage in a game, its rare status makes the card very valuable