Watch!!!! live as Blizzard reveals new ‘Hearthstone’ cards

Watch!!!! live as Blizzard reveals new ‘Hearthstone’ cards Watch!!!! live as Blizzard reveals new ‘Hearthstone’ cards . We already know what Blizzard’s next Hearthstone expansion is called. Knights of the Frozen Throne was unveiled a few weeks ago, a 135-card expansion that will be released at some point next month. However, Blizzard did not unveil all the new cards at once choosing to showcase only a few of them during its announcement event.