Choose Your Pack
Hearthpwn Wild Pack
Any 5 Random collectible Hearthstone cards from the Hearthpwn DB With a Higher Rarity chance.
Hearthstone Knights of the Frozen Throne
Any 5 cards from the Knights of the Frozen Throne set using the same odds that Hearthstone uses
Kobolds and Catacombs
Any 5 Cards from Cobolds and Catacombs set using the same odds that hearthstone uses.