First off, thank you all for being such awesome fans of Magic and Duels of the Planeswalkers, we really appreciate having you as a players!
That said, we saw that some folks had recently purchased the Garruk’s Revenge Expansion Campaign prior to seeing our in-game message that we automatically added it to your account as a ‘thank you’ for your previous purchase of Premium Boosters or the Complete Bundle. Sorry about the confusion. Our little surprise didn’t quite align with how Steam’s store works.
We want to make sure you get credited back for the Expansion since we wanted you to have it as a bonus, so please contact Steam Support and they’ll help you with a refund.
Thanks again for your continued support and we hope you enjoy the Garruk’s Revenge Expansion Campaign!
Warm regards,
Your friends at Wizards of the Coast