Acid Injection #BT6-099 appears in the Digimon Trading Card Game as part of the Double Diamond set and is classified at Unknown rarity. Collectors will note its current market value sits around $0.05, reflecting minimal demand or wide availability. The card’s role and playability are modest within competitive formats, so interest is primarily from set completists or low-cost trades. Its price point makes it accessible for budget-minded collectors completing the set.