Queen's Bay Soldier: Black bear
While Jared offers unique versatility with his color-based mechanics, other Legendary planeswalkers like Nicol Bolas, Dragon-God or Niv-Mizzet Reborn may provide more immediate impact or better synergy with specific strategies, making them potentially stronger choices depending on the deck's focus
Sleepy Hollow The Bridge essentially costs four Ink to get two Lore, and an Evasive keyword that might not be helpful, unless you can combo it with LeFou Instigator or Goofy Marleys Clumsy Spirit
Before that, though, each permanent in play is given to a random player
Elspeth Resplendent I love Elspeth Resplendent despite its narrow appearances in decks
For now, though lets look at Spacecraft