Salt Marsh [Foil] is a land card from the Magic: The Gathering Invasion set, categorized with an Unknown rarity. It features the ability to produce both blue and black mana, making it a versatile option for various deck strategies. Currently valued at $5.46, its foil version appeals to collectors and players alike, who seek to enhance their decks with visually distinct cards. This card's market presence reflects its utility and aesthetic appeal in gameplay.