Greater Planar Ally

Make a spell card:
NameGreater Planar Ally
SchoolConjuration (Calling) [Varies]
LevelAPeace 8, Arc 8, Clr 8, DrgBlw 8, Drow 8, Exalted Arcanist 8, Summoner 8
ComponentsV, S, DF, XP
Casting Time10 minutes
Recharge Time24 hours
RangeClose (25 ft. + 5 ft./2 levels)
EffectUp to three called elementals or outsiders, totaling no more than 18 HD, no two of which can be more than 30 ft. apart when they appear.
Saving ThrowNone
Spell ResistanceNo