Hearthstone: Heroes of Warcraft, is a free-to-play strategy card game, It will initially be available on the Mac and PC, with an iPad version later. Initial launch will contain 300 cards.
There are over 300 cards in Hearthstone with different cards costing different amount of mana crystals. You can choose one of the 9 heroes here to see their exclusive cards in order to build a more powerful deck.
Hero Power: Armor Up!
Ability: Gain 2 Armor
Decking Building Recommendation
Hearthstone News | Blue Post