Answer:
I'm a precious stone in a pack of cards. What am I?
What has words but never speaks?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
I am heavy forward, but backward I'm not. What am I?
Golden treasure I contain guarded by hundreds and thousands. Stored in a labyrinth where no man walks Yet men come often to seize my gold. By smoke I am overcome and robbed then left to build my treasure anew.
The answer I give is yes, but what I mean is no. What was the question?