Can the spell “aid” stabilize downed players?

Why all the magic items in the Starter Set lack a listed rarity?

Would throwing an improvised weapon, like table leg, use Str or Dex for the attack roll?

The updated link is here: http://media.wizards.com/2017/dnd/downloads/SA-Compendium.pdf

Can a monk use his shadow step to literally travel from one shadow to another?

Does Antimagic Field effect Innate Spellcasting (Psionics)?

If a character is poisoned by a creature and kills the creature, do the effects still last?