Magic Tips
The Magic Schools allow you to learn better spells as you become Apprentice, Journeyman, Expert, and Master in them.

Varla Stones found in Ayleid Ruins will recharge your magic items.

Wearing armor you are not skilled in will reduce your magic effectiveness.

Welkynd Stones found in Ayleid Ruins will regenerate your Magicka.

You can soultrap creatures that you summon yourself.

You can view magic, abilities, and diseases that are affecting you from the Active Effects page in your journal.