For me, its about the stories, the memories, and the way each card reflects a piece of the Pokmon journey that goes for a promo given out at a movie theater or a chase card that had collectors battling bots to secure
As TCGPlayer points out, you can grow her attack power with something like Titanic Growth and then use Fabled Passage to double it again
If Charizard is the holo everyone wanted, Pikachu is the Basic everyone actually owned, and that is exactly the mechanic it represents here
Lots of players like to build decks around the nephilim, and this card is essentially an endorsement of that idea
However, Crown-Hunter Hierling can't attack unless the defending player is the monarch
Maybe you can even combine that approach with the token core above thusly: Creatures (2) Lands (24) Spells (34) All these ideas for Standard aside, the first thing I thought when I saw Jeskai Ascendancy wasnt convoke or heroic