A sickness is destroying the crops. A town, wishing to avoid past horrors, seeks out daring folk to try and stop this trouble at its source. Can they find who’s to blame?
A local Wizard, rumored to have lost his mind, like he has his hand, Has issued a Challenge and a prize for all. Simple-Enter his tower and find him to claim your prize.
Magic should have side effects, both expected and unexpected - fortuitous and deplorable. Expected side effects add anticipation, while unexpected ones increase the drama of the scene. The result can be comedic or dire, it dpends on which circumstances work best for your game.