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Digimon Digital Monster Card Game Hyper Colosseum Booster 5 Bo-0247 Light Training Manual (JP)
◎Change your Digimon’s attribute to Vaccine. After use, place this card next to your Digimon, where it will continue its effects until that Digimon’s attribute is changed or it is sent to the Dark Area. This card cannot be invalidated after it has been used.