Zapdos Ex #204 from the Scarlet & Violet 151 set is categorized as an Unknown rarity card, appealing to both collectors and competitive players. Currently valued at approximately $44.27, it reflects the ongoing interest in the Ex mechanics and nostalgic Pokémon. As part of a popular set, this card holds significance in the market, particularly among fans of the Electric-type Pokémon and those completing their collections.