Answer:
I have three hundred cattle, with a single nose cord
A certain wizard resided in a city made from this gemstone.
If you have it, you want to share it. If you share it, you don't have it.
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land.
What is full of holes, but can still hold a lot of water?
I am a animal that is cute but dangerous, what am I?