In the current state of the beta (26-8) the following purchasing options are available. Note that a substantial discount is offered for buying in bulk. At present, only the single pack option is available for gold; all other options require real money. Real money currencies vary; the below figures are in US dollars.
- 1 pack for 100 gold (ingame currency, rewarded from completing quests and playing games)
- 2 packs for $2.99 ($1.495 per pack, $0.299 per card)
- 7 packs for $9.99 ($1.427 per pack, $0.285 per card)
- 15 packs for $19.99 ($1.332 per pack, $0.266 per card)
- 40 packs for $49.99 ($1.249 per pack, $0.249 per card)
You can use any of the payment methods that are also available for buying games and goodies from the Blizzard store.