The One Piece Card Game, published by Bandai, has become one of the most active trading card games of its era, drawing in longtime manga readers and new collectors alike. Its expansion sets arrive regularly, each built around a particular arc or theme from Eiichiro Oda's series. Adventure on Kami's Island is remembered by many players as a set that rewarded fans of the story's wider world, bringing together characters and settings that a casual pack-opener might not expect to see side by side. Super Rare cards in these expansions tend to draw attention for their alternate artwork and the way they showcase familiar faces in fresh poses. Mamaragan, card number 78, is a character card built around one of the series' distinctive figures, and collectors often seek it for the energy of its illustration and its place within the set's lineup. Fans of the character and of the set's themes tend to value a card that captures the personality they know from the story. Holding it is a way of keeping a favorite piece of the One Piece world close at hand.