Blizzard plays its beta card. Just in time for the weekend, the closed beta testing for Hearthstone: Heroes of Warcraft gets underway. Players in North America will begin seeing invitations today for the NDA-free closed beta test of the free-to-play digital strategy card game.

You can opt in for the Hearthstone: Heroes of Warcraft beta with your Battle.net account on its official website.

Source: Hearthstone Beta Begins