[Blizzard News] Hearthstone Update – July 10 - In this Hearthstone Update we’re making a balance change to The ... https://t.co/cP5es5golc— Vicious Syndicate (@ViciousHS) July 10, 2017
Knights of the Frozen Throne's 50 card packs and Frostmourne card back is on pre-purchase for $49.99. They will appear in-game, and the card packs can be opened when the expansion is released in August.
- The Caverns Below is now Quest: Play five minions with the same name. Reward: Crystal Core.
- The Caverns Below can be disenchanted for a full Arcane Dust Value until July 24.
- Class minions are 100% more common than neutral cards
- Class Spells and Weapons are now 175% more common than neutral cards
- Journey to Un'Goro cards received a 50% increase in appearance
- Flamestrike, Abyssal Enforcer, and Vicious Fledgling will make fewer appearances as they've halved their drop rates
- Popular cards had a small 1-5% change in drop rate to address balance concerns
There is a list of cardsunavailable in the arena presently Jade Spirit, Djinni of Zephyrs, Flame of Azzinoth, Mana Geode, and Hallazeal, the Ascended. The following minions are now Elementals:
You'll have to check the patch notes if you want the list of cards that are unavailable in the area as it is rather lengthy.