Prices in the Apple Appstore are set by Apple, not by Blizzard.

Information on locating missing Hearthstone collections.

What to do if you disenchant your card and don't receive dust or receive less than you expected

Information on how the redundant card reroll system works in Hearthstone

How to resolve this error in the Blizzard Shop

What to do if you used a Dusty Darkmoon Card but did not receive a Darkmoon Card

What to do if you make a mistake when crafting cards in Hearthstone.

What to do if you are unable to launch WoW and the error message mentions 3D accelerator card.

How card opening rules work in Hearthstone

Information about using pre-paid credit cards for Blizzard purchases