Hearthstone's player classes have remained largely the same since the game first launched. However, new expansion The Grand Tournament will bring some radical changes to the unique Hero Powers that each class wields.
Certain new cards in The Grand Tournament will modify these Powers. For example, Coldarra Drake will allow you to use your Hero Power multiple times in a round. You might want to have a deck with both the Coldarra Dragon and Frost Giant cards. The Frost Giant is an 8/8 minion that normally costs 10 mana to summon, but the cost is lowered by 1 mana each time you use your Hero Power.
Justicar Trueheart, a new Legendary minion, makes even more substantial changes. Trueheart's Battlecry replaces your Hero Power with an improved version. Here's what each class will receive:
Hearthstone: The Grand Tournament also introduces a new type of minion effect, Inspire. Inspire abilities on minions will be activated when you cast your Hero Power. For example, Lowly Squire is a puny 1/2 minion who gains +2 Attack when inspired. Kororider's Inspire summons a War Kodo with identical Attack and Health. The third minion revealed by Blizzard today, Argent Watchman, can only attack on rounds when you use your Hero Power.
The Grand Tournament will be the fourth expansion pack for Hearthstone. It won't add any single-player bosses like Naxxramas or Blackrock Mountain. Instead, Tournament introduces a new type of card pack for players to purchase just as Goblins Vs. Gnomes did. Players also have a chance to win these packs through Arena mode. The expansion will introduce a total of 132 new cards to the game.
Blizzard will release The Grand Tournament in August for PC, Mac and mobile devices. Players can pre-purchase a bundle of 50 Grand Tournament Card Packs for $49.99 between now and the expansion's official launch.