Answer:
What is shaped like a box, has no feet, and runs up and down?
I stink in living but when dead smells good.
I describe a toilet cleaner as well as one of Santa's reindeer
I fly when I'm on and float coming off.
If you look, you cannot see me. And if you see me, you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse