- For current trade prices see Umbrella Corps on Steam Card Exchange.
Resident Evil: Umbrella Corps / Biohazard Umbrella Corps Steam Trading Cards. There are 10 regular trading cards available on Steam for Resident Evil: Umbrella Corps and 10 foil card versions of the same set. Each card represents one of the rival organizations in the game that seek the B.O.W. Research data, material and samples from Umbrella and Tricell's leftovers.