Needs review
Source: Dragon Magazine #358

Description: Your spells douse opponents with a nauseating slime.

Prerequisites:

Only spells that target one or more creatures can be made slimy. An opponent struck by a slimy spell must make a Reflex save at the same DC as the spell or be covered in a temporary layer of slime that renders the target nauseated for 1 round. If the spell affects more than one target, the slimy effect affects only one target (of your choice). A slimy spell uses up a spell slot one level higher than the spell's actual level.