"Classic" is one of Mercy's Skins in Overwatch
Common
Mercy starts with this skin by default.
ClassicCommon
CelestialRare
MistRare
OrchidRare
VerdantRare
AmberEpic
CobaltEpic
SigrunLegendary
ValkyrieLegendary
DevilLegendary
ImpLegendary