With random nightmare alerts gone, the drop rate of Blaze and Hammer Shot need to be looked at. : r/Warframe
WTS PERFECT [Soma] RIVEN | CC - CD - negative MAG CAPACITY | 101.1% CC with Point Strike | 10.6x CD with Vital Sense - Hammer Shot - PC: Trading Post - Warframe Forums
Where to get Hammer shot and Blaze in Warframe - YouTube