Triskaidekaphile is probably worth a slot since putting lands into your hand at instant speed could creep you up to thirteen cards and the win condition, and other than that, the card draw ability and no maximum hand size are going to be useful
It's neat, though, to see that the art division has been mucking around with the idea of using vertically-stretched artworks for cards for a while, and I kind of want to say that Unglued might be an experimental ground for some unconventional format-breaking card design
They give people more to hope for out of their booster packs
The set has a lot of small mechanics for you to discover during draft
Szah is another l'Cie from Cocoon like Lightning, though is primarily motivated by protecting his son Dajh
Putting combo pieces in the command zone is always scary, since it greatly increases the consistency of said combos in a given game