New expansion hit the game and all the players just smash the buy button to get new awesome cards. However there are some issues preventing to buy them easily and together with other issues like Arena is awarding classic packs lead to the fact that the European launch had to be delayed (although it is now live).
The problem connected with the shop which was not ready for the expansion and A LOT of players just bought thousand of cards for thousand of dollars they already own.
Here is a little guide from toucharcade how to buy correct cards.
