        She began to run into trouble on the next page.  “That’s also a mixer, but there’s no way to mix with it.  There’s nothing to turn.  Unless—“ she looked up at Twilight with the same face she used to declare that Zecora was an evil enchantress.  “Unless it runs on magic.”  She backed up slowly, then stood on her hind hooves.  “It’s an evil mixer, it makes an evil elixir, and when it does, you’ll—um—you’ll be quite sick, sir, so watch out!”