The magic system in Heroes V [Discussion]

There is no universal Wisdom skill anymore; now, if you want to use high-level magic, you need to level up a specific skill for each branch.

Hmm... It's a double-edged sword. Because the random skill selection can produce such bizarre results... How am I supposed to level up magic if I don't have a Guild of level 3 and 4? Have you calculated the probability of guessing the right skill? It's practically very low. And I don't want to accumulate garbage. I'd rather not play with magic at all (this doesn't apply to the Academy and Dungeon).
One could write a treatise about the lack of defensive spells against elemental spells. Without them, it's not even fun to play. They really gave a bonus to mages, but everyone else got