Hearthstone: Heroes of Warcraft: Blizzard Celebrates Earth Day with Charity Card

Hearthstone players with iOS access can purchase a special card featuring Azeroth’s most powerful mage, Khadgar. 100% of the $4.99 purchase price will be sent to the World Wildlife Fund as part of “Apps for Earth”, a project in celebration of Earth Day. Though only available for iOS devices, once added to a player’s collection, Khadgar can be played on any platform and device.