Warning: Trickster’s Tankard may result in alcohol abuse, random bar fights and very angry dwarves, half orcs, orcs, giants and anyone else who enjoys their drink.
Use with caution
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.