This is a table top collectible card game and has no connection to the World of Warcraft MMORPG other than the name of the game and the theme. This is not a sale of any of Blizzard Entertainment's intellectual property associated with the Video Game. To be clear, no in game property for the World of Warcraft is being sold.

As an additional cost to play, destroy any number of cards you control. You pay 5 less to play Deathwing for each card destroyed this way.
Assault 5
At the start of your turn, target opponent destroys two cards he controls.

Rarity: Epic
Card Type: Master Hero
Race: Black Dragonkin
ATK: 0 (Fire)
DEF/Health/Strike cost: 40
Play Cost: 60
Faction: Neutral