Answer:
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk
It can pierce the best armor and make swords crumble with a rub, yet for all its power It can't harm a wooden club.
I fly through the air on small feathered wings, seeking out life and destroying all things.
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
What has a neck and no head, two arms but no hands?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.