Obviously, this mechanic is bonkers powerful, and was in fact so demoralizing to play against that the odds of it ever coming back in a Standard-legal set are slim to none
Magic: The Gathering is based on collecting cards, an aspect that has expanded well beyond the limits of the game itself
The ability to draw cards every time it attacks is powerful, even if you have to discard a card right away
As such, double strike creatures are good counters to planeswalkers if they can get an attack in
Facilier's "bounce", which is actually a "return to hand from discard" effect and not a "return to hand from play" effect
I'd say you want more sac outlets that can stick around other than your commander, stuff like Viscera Seer or Culling Dais are a few that come to mind