Forbidden Alchemy is a card from the Magic: The Gathering Ultimate Masters set, classified as an Unknown rarity. It allows players to look at the top four cards of their library, putting one into their hand and the rest into their graveyard, making it a useful tool for deck manipulation. Currently, it holds a market value of $0.13, reflecting its niche appeal in both casual and competitive play. Collectors may find it an affordable addition to their collections.