Answer:
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
Take it and you will lose or gain more than the others.
I was was before was was was.
Tear one off and scratch my head what was red is black instead. What is it?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
Keep doing me to avoid lens dryness