This post should guide you through the trade-up contract. To understand to the trade-up, you need to understand the basics:
Rarity of a CS:GO skin
There are many CS:GO skins, all of them have one thing in common: they have a rarity grade. These are all the possible rarities with their color:
Customer Grade – Light Gray
Industrial Grade – Light Blue
Mil-Spec – Blue
Restriced – Purple
Classified – Pink
Covert – Red
Contraband – Yellow/Sienna
Rare Special Item – Knives/Gloves
These are all the possible rarities, which get more rare from Customer Grade to Contraband. You are unable to trade-up to Rare Special Items, these can only be unboxed from a case. One little side-note: It’s currently...
The “Tarot” collection is almost as popular as the Asiimov, Cyrex and Hyper Beast skins. The users “Zaphk”, “OniLolz” and “2Minds” recently submitted a new skin to the community workshop – the AWP | The Empress. It might look similar to a skin you already know – that is because it matches the theme with the AK-47 | The Empress. Also, out of the 9 skins in the “Tarot” collection, two have been added to the game already: the AK-47 | The Empress and the AWP | Mortis (in the workshop named “AWP | Death”). Besides those 9 skins already published, the designers are currently working on a P90 skin.