Phase Door

Make a spell card:
NamePhase Door
SchoolConjuration (Creation)
LevelBeguiler 7, Sor/Wiz 7, Travel 8
ComponentsV
Casting Time1 standard action
Recharge Time12 hours
Range0 ft.
EffectEthereal 5 ft. by 8 ft. opening, 10 ft. deep + 5 ft. deep per three levels
Duration1 usage/2 levels
Saving ThrowNone
Spell ResistanceNo