Shift codes and golden keys - borderlands 2 wiki guide - ign, What are shift codes and golden keys? shift is gearbox software's fan reward program. players can sign up for gearbox software's shift premiere club directly from.Legendary siren - borderlands wiki - walkthroughs, weapons, A legendary siren clmod is unlocked by way of use of a shift code included in the diamond plate loot chest, and its card features the caption "what do you get. Legendary berserker - borderlands wiki - walkthroughs, A shift code for a single legendary berserker clmod is included in the diamond plate loot chest. the item card caption reads "if pandora is a planet of lunatics.