Answer:
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I will go within you and destroy you. Only because you wanted me too
I have three eyes and only one leg. Obey me or you will be sorry.
I have more shoes than anybody, but less feet than everyone. I am met in the morning, but departed in the night. I may shake as if I'm angry, but I won't bite. What am I?
I am shared by goats devils and unicorns.
Give it food and it will live, give it water and it will die.