Your 25 to magicka gives you 250 magicka points that is10 points per stat point. It influences your mana pool and your class skill damage.Taking magick out will decrease your damage . Spell crit is not given by the stat it is given by light armor and weapon traits and some passive and active skills.

Your 6 to health gives you 90 health points.

At this point try to balance your needs . Min maxing works for VR levels where you have much more options on how to manage your build's resource requirements .