Blizzard announces massive changes for Hearthstone's Arena mode

If you’re a big Hearthstone player, you’re almost certainly acquainted with the game’s Arena mode. While Hearthstone in general has undergone many changes since it first launched, the Arena mode has been largely left untouched, save for a few minor changes here and there. That’s all about to change, as Blizzard today announced a big revamp that it’ll be making …