"Dark Ritual," a card from the Alpha set of Magic: The Gathering, holds an Unknown rarity and is currently valued at $183.50. Known for its ability to generate three black mana at a low cost, it has become a staple in various decks, particularly in formats that allow vintage cards. Its historical significance and demand among collectors contribute to its notable market value. Graded copies often fetch higher prices, reflecting its desirability within the community.