Needs review
Source: Encyclopedia Arcane: Dragon Magic

Description: Your great intuition helps you to overpower magical defences.

Prerequisites: Spell Penetration, WIS 17

When attempting to counter or dispel a magical effect or attempting to penetrate a target’s Spell Resistance, the character can add his Wisdom modifier to his Caster check.

Special

A Caster check is 1d20 plus the character’s caster level only.