Undeath to Death

Make a spell card:
NameUndeath to Death
SchoolNecromancy
LevelArc 6, Clr 6, Repose 6, Sor/Wiz 6
ComponentsV, S, M/DF
Casting Time1 standard action
Recharge TimeGeneral
RangeMedium (100 ft. + 10 ft./level)
AreaSeveral undead creatures within a 40-ft.-radius burst
DurationInstantaneous
Saving ThrowWill negates
Spell ResistanceYes