Information on Hearthstone Refunds.
What to do if you didn't receive card pack rewards after participating in Choose Your Champion
Friend or family member used payment information without permission and I would like a refund for the purchase(s) made
How to verify that Hearthstone cards from booster packs were correctly added after a crash
Purchased an item from the Blizzard Shop for my own account, that was intended to be a gift
Checking on the status of a delayed refund.
Information about an issue that can arise due to slow processing of an original purchase
What to do if you didn't receive the 3 Rise of Shadows card packs from completing a chapter of the Dalaran Heist
How card opening rules work in Hearthstone
What to do if you don't have the promotional Samsung cardback in Hearthstone