Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
My thunder comes before the lightning. My lightning comes before the clouds. My rain dries all the land it touches.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
Hoofed frolicking.
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.