"Ancient Grudge" is a spell card from the Magic: The Gathering Innistrad set, classified as Unknown rarity. Valued at approximately $0.13, it offers players a versatile option for destroying artifact cards, reflecting its strategic utility in gameplay. As a part of the Innistrad block, it holds significance for collectors interested in the set's thematic elements and historical context within the game. Its current market value indicates a low demand, typical for many lesser-known cards.