With a few cards being must have's while others fall by the way side, some rebalancing has occured in Hearthstone's next patch update.
Probably most noteably, Mind Control received its nerf at long last, shooting up to 10 mana from it's original 8. Shattered Sun Cleric was an efficient creature even without the battlecry, and is now changed to a 3/2 from a 3/3. Unleash the Hounds, Starving Buzzard, and Argent Commander also received some nerfs, while Flame Imp's Battlecry got a rather noteworthy buff to compliment the Warlock's early board advantage.
Argent Commander is now a 4/2 (was a 4/3)
- These cards are quite good for their cost, and they currently feel to be slightly above the curve in power compared to cards of a similar cost and type. Players end up choosing these cards for their deck much more often than other cards at the same mana cost. We want to increase the variety of cards being played at 3 and 6 mana.
Flame Imp’s Battlecry now deals 3 damage (up from 2)
- Warlocks have a very strong early game, and this small change to Flame Imp should help a small amount. There are other cards that help the Warlock maintain early board advantage, and we’re keeping a close eye on those as time goes on.
Mind Control’s mana cost is now 10 (up from 8)
- Mind Control has some pretty accurate flavor text … perhaps a little too accurate. Raising the mana cost will allow players to have a couple more turns to play with their big minions.
Starving Buzzard is now a 2/1 (was a 2/2)
- At some ranks, Hunter was a bit strong versus Druids, Mages and Rogues. This change to Starving Buzzard will help even the playing field against those classes in particular.
Unleash the Hounds has been reworked and now reads: “(4) For each enemy minion, summon a 1/1 Hound with Charge”.
- The old version of Unleash the Hounds was allowing for Hunters to win in a single turn, starting with no minions on the board. The new version adds some fun, new card combos to Hunters and helps with their ability to AoE.
Source - Blizzard