Magic Circle Against Evil

1Stand|V,S,M/DF|Touch|10ft rad from Creature|10min/lvl|Will Neg|No
All creatures within the spell gain the effects of a Protection from Evil Spell, and non-good
summoned creatures cannot enter the spell area.
You must overcome a creatures spell res to keep
it at bay. The spell can also be cast inward to
bind a nongood creature.
More applications in PHB 249