You have mastered the style of combining a gnome quickrazor with spellcasting.
Prerequisites: Concentration 5 ranks, Combat Casting, Exotic Weapon Proficiency (gnome quickrazor), Two-Weapon Fighting.
Benefit: As a full-round action, you can cast a melee touch attack spell, attack with the spell, and make an offhand attack with your gnome quickrazor.
Source: Races of Stone, page 144.