Cryptic Gateway [Foil] is a unique card from the Onslaught set of Magic: The Gathering, classified as an Unknown rarity. Valued at $19.99, it appeals to collectors for its foil treatment and strategic utility in gameplay. The card allows players to tap two creatures to put a creature card from their hand onto the battlefield, making it a valuable asset in various deck builds. Its market presence reflects both its functional appeal and collector interest within the game.