SpellAbjurationSRD 3.5
Mystic Aegis
Abjuration — cleric 4
A mantle of scintillating, multicolored light appears around you to block the spell, then fades away. You cast mystic aegis immediately when you are targeted by a hostile spell. You gain spell resistance equal to 12 + your caster level against that spell.
Open Game Content from the D&D 3.5 SRD. Open Game License