Steam Summer 2017 is a special card set that is related to the Summer 2017 Steam sale. The cards became available on June 22, 2017, the same day as the start of the sale. Prior to that point, it was possible to obtain cards from the Mysterious (2017) set by crafting badges, but these card turned into cards from the Steam Summer 2017 set when the sale started.

Trading Cards

Foil Cards