Grim Reaper's Scythe

Necromancy
Level: Sor/Wiz 3
Components: V,S,M
Casting time: 1 Standard Action
Range: 20ft
Area: 20ft Cone-Shaped Burst
Duration: Instantaneous
Saving Throw: Will Half
Spell Resistance: Yes

As you complete the spell a giant scythe with a bloodly blade appears and strikes all within raidius. The spell damages all within a 20ft cone-shaped burst. You must make a touch attack versus each opponent to see if they were hit. If hit, the scythe deals 1d6/Level (10d6 Max) negative energy damage (Will Half), with a 20/x4 multiplier on a critical hit.

Material Component: A bit of grain

Source:Homebrew D&D Wiki