Getting the cards in your end step and discarding leading to exile seems like a drawback, but Instant speed abilities and cards like Reliquary Tower -- making your hand size unlimited -- nullifies that
doing so twice is bonkers
Ultimately, the Trading Card Game isn't going anywhere, and for those who enjoy the tabletop hobby, this will surely be a fun alternative way to experience it
Additionally, we feel that requiring Shift better represents the Floodborn experience, as many decks utilizing Bucky have mostly ignored using the Shift mechanic (outside of one sinister bird)
If your only ways to win are a couple of top end blue monsters then you can't really include all of them in your total options
Liesa was known throughout Innistrad for bargaining with the demons that threatened humanity, and that is represented in you being able to pay life instead of her Commander tax