Skins from The Gods and Monsters Collection are not obtainable through the weekly drop.
The Gods and Monsters Collection is a Valve-made collection of CS:GO skins introduced on 26 May 2015. The collection consists of 4 consumer skins, 4 industrial skins, 2 mil-spec skins, 2 restricted skins, 1 classified skins, and 1 covert skins.
The Gods and Monsters Collection was available as a weekly drop to players who held an operation pass for CS:GO operations Bloodhound in 2015, Wildfire in 2016 and made its final appearance in 2017 for Operation Hydra.
The AWP Medusa was the second covert AWP included in a collection and rivaled against the AWP Dragon Lore for four years until 2019 saw the introduction of the AWP Gungnir in the Canals collection.
All CS:GO skins from The Gods and Monsters Collection