Total overview of Magic that could be added.
That should get you on the solid high amount of MAG:
4/4 R8 Armor (3x Magic)
120-144 Magic
4/4 Ornament Engraves (2x Magic)
80-88 Magic
TM Robe (1x Magic 1x Strength)
40 Magic
TM Robe Engrave (3x Magic)
21-30 Magic
Emperor Ring BASE (2x Magic)
40 Magic
Dragon Magic Ring BASE (1x Magic)
20 Magic
The Nightwatch - Tome (1x Magic)
50 Magic
2x Magic Shards for Weapon (2x Magic)
40 Magic
S/S+ Card Set (Depending on what you use of course)
10-30 Magic
Dragonchild Necklace BASE (Optional, 1x Strength 1x Magic)
40 Magic
Maybe you've missed some of these or even restatting your Strength to Magic.
Good luck!