Greater Spell Parry (3.5e Feat)
From D&D Wiki
Greater Spell Parry [General, Fighter]
You are skilled enough at parrying spells that you can even deflect them back at their caster.
Prerequisite: Base Attack Bonus +20, Combat Expertise, Int 13, Weapon Focus, wielding a magic weapon, Spell Parry, Improved Spell Parry
Benefit: When you make a successful Spell Parry attempt, you may opt to reflect the spell back at the caster so that they are subject to it instead.
Normal: You may not reflect the spell back at the caster.