Answer:
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 dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
Sometimes black, sometimes white, I have veins but no blood
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.