Answer:
A certain wizard resided in a city made from this gemstone.
I run around the city, but I never move.
What points the way without a hand. It floats on water but exists on land?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
Who works when he plays and plays when he works?
I can only be played on a windy day
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?