Depends on what you're casting.


Body
For Physical spells, Magus Jubbah +1.
For healing, Morrigan's Robe.
For nukes, typically Morrigan's Robe except Charged Whisker which is Loki's Kaftan.
For Head Butt, Mavi Mintan +2.

Hands

For Physical Spells, Heafoc Mitts.
For healing, Serpentene's Cuffs.
For nukes, Mavi Bazubands +2.
For Head Butt - Mavi Bazunbands +2.