The nerfs include the reduction of Innervate’s effect, a less effective Murloc Warleader, and an increase in the mana cost for Fiery War Axe, Spreading Plague, and Hex.
“Too many basic and classic cards played in individual decks means less fun when new expansions are released,” Blizzard said earlier this month. “Cards in the basic set serve several purposes in the game, so we would rather make balance adjustments to them instead of moving them to the Hall of Fame, like we have done for cards in the classic set.”
Source: Hearthstone
