- Magic feed corn?
- Well, it's of no use to us. It can't dissolve prison walls, all it can do is make reindeer fly.

9 seconds sound clip from the Santa Claus Is Comin' to Town (1970) movie soundboard.

You can hear this line at 00:39:23.394 in the Blu-ray version of the movie.

Quote context

[...]

- Mister Warlock!

- Jessica, Winter, please.

- What are you doing here?

- Trying to set you all free. But I don't know how.

- If only you had your magic powers back.

- Alas, I've nothing but a few meager magical leftovers here in my pockets. A short-circuited wand, useless. A dried up magic potion, powerless. The tiny stubs of 100 or so magic candles and a few last handfuls of magic feed corn. Just junk. Oh, me.

- Magic feed corn?

- Well, it's of no use to us. It can't dissolve prison walls, all it can do is make reindeer fly.

- Reindeer? Fly?

- Yes, yes. Ridiculous, isn't it?

- Later that night, Jessica rounded up some of Kris' reindeer friends. They just had to take one nibble of that corn, and...

- Whoo-wee! Look at them go! I bet you know their names.

- Dasher and Dancer.

- And Prancer and Vixen.

- And Comet and Cupid.

- And Donner and Blitzter.

- Yes, sir!

[...]