Ryudamon (BT20-010 U) [Release Special Booster 2.5]

Product Details

[[Digivolve] Black Lv.2 w/[X Antibody] trait: Cost 0]
[Your Turn] When this Digimon would digivolve into [Ginryumon] or a Digimon card with the [Chronicle] trait, reduce the digivolution cost by 1.