So, to see so few copies of a whole Commander deck built around this mechanic seems so unusual
Boosters have always had 15 cards (well, most of them, anyway) because that's what Richard Garfield chose to do with Alpha , years before designing for Draft was even a thing
Oh, and unlike a lot of bounce effects, this is a creature, so you can swing and smash as you desire
You want to have powerful creatures on the ground (not birds) for Gwaihir to give flying, and you want to get 3 life ideally from lifelink creatures or Food tokens
(2020-01-24) An Aura spell that has an illegal target when it tries to resolve doesnt resolve and is instead put into its owners graveyard
Maybe its just too narrow, but you can do some interesting things with this demon and temporary blink effects like Flickerwisp or O-Ring removal like Grasp of Fate