Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
Sharp and long, flag of the world. What is it?
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
I can only be played on a windy day