Pre-purchase The Grand Tournament card packs in a special 50-pack bundle from next week.
One of a host of new Heroes which will be sold for $9.99.
An apology from Blizzard for the patchy game access last week.
Features an all-new interface created for smaller screens.
Event will be hosted at the Anaheim Convention Center on November 6 and 7.
A new wing will open up each week over the course of a month.