You can make any trades, for example swap your TF2 keys to CS:GO keys, CS:GO case keys to Gems or even CS:GO keys you don't need to other CS:GO keys. Just use correct price line!
Bot not working with Hydra keys

Pricelist: left side - bot's items, right side - your items

                   R A T E S  

       YOUR  K E Y S      CS:GO           BOT's KEYS

         7         Your TF2 - Bot's CS:GO           2
         25000        Your gems - Bot's CS:GO       1
         2  Your any CS:GO keys - Bot's any CS:GO keys    1



       YOUR KEYS        TF2             BOT KEYS

         5        Your CS:GO - Bot's TF2 keys      7
        7600        Your gems - Bot's TF2 key       1

       

       YOUR KEYS       GEMS           BOT GEMS
         1       Your CS:GO - Bot's gems         9000
         1        Your TF2-Bot's gems          7400

You can add the bot to friendlist and send trade offer or use link to offer
Bot can't trade via chat
1. Check the price
2. Send a trade offer. It takes less than a minute to process
3. If bot decline your offer - please ensure you're using a correct price
4. Only items from one game to another game items per trade              

In a case of some issues - feel free to add me ADIOS