Blood Pet is a creature card from the Tempest set of Magic: The Gathering, classified as having an Unknown rarity. It features a black mana ability that allows players to sacrifice it for additional mana, making it a strategic choice in various deck builds. Currently valued at $0.99, Blood Pet appeals to collectors and players alike, particularly those focusing on older sets or seeking unique card interactions. Its role in the game's mechanics contributes to its ongoing interest in the market.