Dimensional Lock

Make a spell card:
NameDimensional Lock
SchoolAbjuration
LevelArc 8, Clr 8, Portal 8, Sor/Wiz 8
ComponentsV, S
Casting Time1 standard action
Recharge Time24 hours
RangeMedium (100 ft. + 10 ft./level)
Area20-ft.-radius emanation centered on a point in space
Duration1 day/level
Saving ThrowNone
Spell ResistanceYes