Answer:
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
I am a good state, there can be no doubt of itΝΎ But those who are in, entirely are out of it.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?