Cold Ice Strike

School evocation [cold]; Level wizard 6
Casting Time: 1 swift action; Components: V, S
Range: 30 feet; Area: 30-ft. line
Saving Throw: Reflex half; Spell resistance: yes

You create a shredding flurry of ice slivers, which blast from your hand in a line dealing 1d6 points of cold damage per caster level (maximum 15d6).