The "Wonders of The First TCG Existence New Sealed Booster Box" contains standard-sized cards in English language, featuring a unique set called "Existence" specifically for the game "Wonders of the First". This offering players a chance to uncover new and exciting cards for their gameplay experience. Perfect for collectors or players looking to enhance their deck with fresh content, this booster box promises to provide a thrilling addition to any trading card game collection.