Answer:
Precious stones in a pack of cards.
Brings the sky a lot closer.
In the middle of night, I surround the gong. In the middle of sight, I end the song
What can get you there in eco style, pushed by your legs mile after mile?
What is always on its way but never arrives?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?