I originally wrote a paragraph on why the -blam!-ing resonate stem farming is a pain but bungie just make it so duplicates are less likely from bray tech schematics PLEASE i'm so sick of getting the frigid jackal EDIT/UPDATE 5/1/2018 - After roughly 15 hours of farming and opening over 400 resonate stems worth of sleeper nodes and receiving 70 mad monk shaders, 50 arctic dreamscape shaders 2 18 kelvins, 3 braytech winter wolf's, 5 fridgid jackals i finally got a Niflhiem frost.