Spellburke (3.5e Spell)

This spell suppresses a single one of the target creature's spell-like or supernatural abilities of the caster's choice, plus an additional ability for every six levels above 7th the caster has. Even if the creature saves successfully, it still receives a -4 penalty to any attack rolls, save DCs, and effective caster levels associated with the targeted abilities for the remainder of the spell's duration.

Focus: A handcarved fetish of wood and/or straw.