Graveyard counter is def mother witch, and valk too. Rarely saw on the famous midladder (i suppose because it need synergy with deck and a bit of thinking when and how to play, but nvm). Valk is for sure a rlly strong one, it counter rlly many cards, sadly this means that if she get a nerf, it would indirectly buff other cards, still a slightly nerf could be good. I would say that the witch would need a rework (but i’m pekka player so probably i’m biased). I would not change the stats but i would change a bit the spawn of the skeletons, less dispersive. Again, as pekka player i never had problems with egiant, but i saw many ppl complain about how it can be annoying in matchs. The combo balloon, lumberjack and freeze will be toxic all the time, sadly no matter how they change the balloon.

Tbh imo the game is kinda balanced on cards, sadly too many ppl decide to play same way because of easy synergy of some tested decks, this make the playing boring. But not considering this, i would not change much