Answer:
kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all.
No matter how much rain gets on me, I won't get any wetter. What am I?
When you need me, you must find me. When you find me, you no longer need me. What am I?
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I am alive without breath and cold as death. I am never thirsty but always drinking.
What never gets any wetter no matter how hard it rains?