!HELP -> to display help.
!BUY [amount of keys] -> to buy sets for an X amount of keys.
!LEVEL [desired level] -> to calculates how it takes to a certain level.
!CHECK -> to checks how many sets you can buy.
!USERCHECK [SteamID64] -> to checks other Steam user (SteamID64).
!BUYANY [amount of sets] -> to buys X sets from games you already crafted.
!BUYONE [amount of keys] -> to buys X sets from games you not already crafted (only 1 set each).
!BUYONECHECK -> to checks how many sets you can buy from games you not already crafted (only 1 set each).
!SELL [amount of keys] -> to sell sets for an X amount of keys.
!SELLCHECK -> to checks how many sets you can sell.

Chroma Case Key, Chroma 2 Case Key, Chroma 3 Case Key, Falchion Case Key, Gamma 2 Case Key, Gamma Case Key, Glove Case Key, Huntsman Case Key, Operation Breakout Case Key, Operation Hydra Case Key, Operation Phoenix Case Key, Operation Vanguard Case Key, Operation Wildfire Case Key, Revolver Case Key, Shadow Case Key, Spectrum Case Key, Winter Offensive Case Key

CS:GO Case Key, eSports Key, Community Sticker Capsule, Mann Co. Supply Crate Key <- TF2 Keys

Happy crafting.