In the mainline games, Glastrier is encountered as part of the Crown Tundra storyline, where players must choose between it and its spectral counterpart, Spectrier, to form a connection with Calyrex, another legendary Pokmon
As the Pokemon TCG has grown in popularity, the competitive viability of the card has some impact but it remains largely these three areas that dictates a cards value
In some rare occasions you might run into decks that are all about face-down cards such as Kadena, Slinking Sorcerer or Kaust, Eyes of the Glade, which naturally can turn cards face-up or have supporting spells that can
Youll mill lots of cards with it, which fuels your graveyard for crafting, gets some card advantage, and when you craft it, youll transform double-faced artifacts for free
If you didn't put any cards into your graveyard when you manifested dread (perhaps because your opponent controls Leyline of the Void), Paranormal Analyst's ability will still trigger, but you won't be able to put any cards into your hand when it resolves
The Esper color identity opens up removal ETBs like Ravenous Chupacabra and value creatures in black that Azorius can't access