Then hold down the A button and hit the B button your magic should refill every time you use a spell (NOTE: This cheat will end and you will have to do it over again when you go back into the inventory screen)
Then go to the stats screen and go to the magic bar and press the following: Black, Black, White, White, Black, White. Magic RefillWhile playing the game press the B button to go into the character screen. Cheat codes for Elder Scrolls: Morrowind Game Of The Year, The Platform: XBox
