Mordenkainen's protection from slime

Mordenkainen's protection from insects and arachnids was an uncommon protection spell.

Effects
When cast, the caster was given protection from molds, oozes, puddings and slimes. It also protected against other primordial creatures with no form. The spell itself was vulnerable to attack by a slime-based creature, if said creature was strong enough, they could cause the spell to expire prematurely.

Components
In addition to verbal and somatic components, the spell required material components, a piece of mold from spoiled food mixed with a small amount of dust from a diamond, squished between two stones.