d&d item concept: magical rhyming dictionary that lets you change one word of a spell to a (real) rhyming word of your choice once per day, and the effects of the spell change to match the new word. for example, Vicious Mockery becomes Delicious Mockery, and the target takes 1d4 pie to the face damage
Control Flames becomes Control James. Pretty good if the big bad of your campaign is called James
Hellish Rebuke becomes Hellish Archduke. the grand old duke of hell shows up to fight for you
Enhance Ability becomes Enhance Mobility. nyoom
Fly becomes Die. you d