Satyrs/Illidari (mana dependence, melee focused, night elves based)
(Satyrs, night elves + demons)
1) night elves based, buildings-trees (dreanor ancients), wisp workers
2) range problems, always low sight radius, need support from units-detectors
3) slow basic mana regen, mana restore after kills + from wheels, also heal
4) race good against undead/demon, but part units also demon
You can try this.