Rary's superior spell enhancer

Rary's superior spell enhancer was a more powerful version of Rary's spell enhancer.

Effects
When cast, this spell increased the damage inflicted by another spell. It allowed the caster to cast two spells at the same time, first this spell and then the spell that the caster wished to modify.

Casting
This spell required only a verbal component.

History
This spell was known to be used by wizards of the Cult of the Dragon.