Inaccurate?

Razorscales

(Serpent Kingdoms)

Transmutation
Level: Cleric 2, Druid 2, Ranger 2, Sorcerer 2, Wizard 2,
Components: V, M, DF,
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 1 round/level (D)

Your scales become razor-sharp.
While this spell is in effect, you deal lethal instead of nonlethal damage when grappling.
If are not a Scaled One, this spell automatically fails.
Material Component: A thin-bladed razor.