"Annex [Foil]" is a card from the Onslaught set of Magic: The Gathering, classified as Unknown rarity. Currently valued at $3.02, it appeals to collectors and players alike, particularly those focused on enhancing their foil collections. As part of a set known for its tribal themes and mechanics, "Annex" holds a place in the market that reflects its unique attributes and nostalgic value to fans of the game.