Overdog Exotic does not exist (vent)

I have target farmed for these gloves in Countdown Challenging for the last 10 hours over the last four days. I have gotten two pairs of exotic gloves neither being the Overdogs. I am not competent enough to do even challenging Hyena Retaliations. I am really starting to hate Countdown due to resentment issues. I don't know what else I can do? Do blueprints or exotics even drop on normal Retaliations or am I just outta luck?