Homunculus Horde is a really fun draw-second-card payoff, especially once you remember that the token copies gain its ability too
These three planeswalkers aren't particularly innovative, they just expand upon changes we'd already made: other versions of existing characters, narrower thematic focuses, etc
Once again, going off artwork, game design, and knowledge of mechanics alone, Im hoping Emet is an Orzhov or Mardu creature with the ability to bring allies back from the graveyard or banish allies and then play them
If it ever gets removed, you can even return it to the battlefield from the graveyard with a finality counter
While I'm not especially excited about this ship, the mechanic as a whole is a great new design twist
Its a simple and beautiful piece which is most commonly used for the card