What will you get:
You will get Hearthstone: Expert Card Pack (a digital unique code, includes 5 random cards). You can activate your key at battle.net. This key can not be activated on Steam.
Note: There's a limit of 5 Expert Card Pack Keys activated per battle.net account.
About the game:
Hearthstone is a free-to-play digital strategy card game that anyone can enjoy. Players choose one of nine epic Warcraft® heroes to play as, and then take turns playing cards from their customizable decks to cast potent spells, use heroic weapons or abilities, or summon powerful characters to crush their opponent.