Answer:
You roll it or you buy it, People say you shouldn't try it, Because you may get a stroke, From inhaling all that smoke.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.
I can be found in seconds, minutes and centuries, but not in days, years or decades.
You can draw me, fire me or fill me in.
The eight of us go forth not back to protect our king from a foe's attack. What are we?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.