Ah, turn blue.
2 seconds sound clip from the The Last Unicorn movie soundboard.
You can hear this line at 00:26:35.935 in the Blu-ray version of the movie.
Quote context
[...]
- I dare no more. The next time, I might not be able to...
- Try again. The spell was wrong, but there was true magic in it. Try again!
- Ha-ha-ha! Some magician! Some magician!
- Step down, lady! You are free!
- Okay, Schmendrick, I give up. Why is a raven like a writing desk?
- The cage. You have taken my keys. Why, you thin thief.
- She'll string you on barbed wire to make a necklace for the harpy! Run!
- You pile of stones! I'll set all your toenails growing in when you mess with me!
[...]