Esca Cur's page

Really enjoyed this, namely the Battlefist and Armor as a mutagen substitute.

Spitballing here,
Brawler- Raise battlefist damage by one die (or add int to damage) and 1/day reactivate the gauntlet even while you're fatigued, but not exhausted.
Smasher- Battlefist is treated as adamantium for overcoming DR/hardness. While you're Gauntlet is active you are treated as having the Improved sunder feat, if used against an unattended object you deal an extra 2d6 bludgeoning/slashing (if used with the clawed battlefist discovery)damage.

A life force to magic themed magus would be nice. Ritual sacrifice and sacrificing HP for additional pool points, regaining points and self hp through a deathknell effect.
This also offers an opportunity for an alternative tank. Pool points in exchange for immediate bonuses, to saves, temp HP, and AC or even a blur effect. Specializing in armor and shield enhancement.