Answer:
What can be swallowed, but can swallow you?
A word I know, six letters it contains. Subtract just one and twelve remains.
What do you fill with empty hands?
Some try to hide, some try to cheat. But time will show, we always will meet. Try as you might, to guess my name. I promise you'll know, when you I do claim.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I can only be played on a windy day