Proganomon (EX8-051) - Chain of Liberation Foil

[Collision] [Piercing] [Fragment "3"] (When this Digimon would be deleted, by trashing any 3 of its digivolution cards, it isn't deleted.)

When this card is trashed from the digivolution cards of a Digimon with the [Mineral]/[Rock] trait, [De-Digivolve 1] 1 of your opponent's Digimon.