Planar Tolerance(Spell Compendium, p. 159)
Level: Cleric 4, Druid 4, Ranger 4, Sorcerer 5, Wizard 5, Elysium 2,
Casting Time: 1 immediate action
Range: 20 ft.
Target: One creature/level in a 20-ft.-radius burst centered on you
Duration: 1 hour/level
Saving Throw: None
Spell Resistance: Yes (harmless)
You have barely time to bark out a few elder words of power, but then the pressure subsides, and you know you are safe long enough to complete your mission.
This spell functions like avoid planar effects (page 19), except as noted above.