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you don't got scammed because Steam system allows to refund if you didn't get what you bought but that can cause some issues so is better to wait for a little bit and see if the anwser the tickets or if the transaction goes, also next time don't put your purchases in a public forum even more when there's info of your credit card there.

Do you only use Steam to play? If you are currently playing on XBOX or EGS, you have to login with the Steam version in order to claim the AC and then you can play from the other platform again.