All card trades are:

For the same set -> : + Will be given priority.
For the same set -> : + something (gems, emotes, backgrounds.

For different sets -> :

I don't care about duplicates.

Badges I'm working on:

* ASMR Universe
* Epistory: Typing Chronicles
* Hacknet
* Hellblade: Senua's Sacrifice
* Life is Strange
* Move or Die
* Munin
* Rest in Peace
* Rocket League
* Stardew Valley
* The Elder Scrolls V: Skyrim
* The First Tree
* The Witcher 2
* The Witcher 3

For sale cards I consider doing : for cards of the sets listed above.