Mass Spell Resistance

Abjuration
Level: Clr 7
Components: V, S, DF
Range: Short
Target: One creature/level, no two of which are more than 30 ft. apart
Duration: 1 round/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

Wrapping your allies in protective magic, you give them the ability to shrug off spells.

The affected creatures gain spell resistance equal to 12 + your caster level.