Invigorating Boon is a card from the Onslaught set of Magic: The Gathering, classified as an Unknown rarity. Its current market value is approximately $0.25, reflecting its accessibility for collectors and players alike. While not a staple in competitive play, it may appeal to those completing their sets or looking for unique additions to casual decks. Grading data can influence its value, but it remains an affordable option in the secondary market.