we should have records of what cards, packs, etc we received and when.
1 will help players that want variety diversify there collection as well as helping novelty focused players experience something new
2 will help with finding bugs/glitches related to receiving cards
3 blizzard you should do this because it will help you make money by finding exploits and loop holes so you can close them and overall help as an anti piracy measure
4 helps us know how much money we’ve spent recently so we can spend more money without worrying about it
got the same death knight card i already had and one simply vanished into thin air like it never existed feelin pretty salty about it.