This forum is to be used for all discussions pertaining to BioWare's Neverwinter Nights, its Shadows of Undrentide and Hordes of the Underdark expansion packs, and any user-created or premium modules.
Use Magic Device works on skill ranks alone, not spellcasting. Each item has a hidden UMD rating. If your UMD total is high enough to beat that, you can use the item, even if you normally could not. So you could use scrolls and monk only devices for instances.