Which faction do you like the most in Heroes of Might and Magic IV?

They weakened Haven and strengthened Sylvan. I think it's unfair.

Unfair!? I disagree!
Is it fair to be able to teleport from a Castle using the "City Portal" spell? Is it fair to teleport any unit?
And what did they do with Sylvan? They just buffed the Crusaders and that's it.
Sincerely.