Notably, card condition and grading play a big role in trade value for both languages
Realmwalker is a great addition to any green-based tribal deck, whatever format you play, whether it be your Frog EDH deck helmed by Grolnok, the Omnivore or the most obvious place for it: Elves
It would be quite important to distinguish which is which in this case
Unless your playgroup is particularly cutthroat, Id recommend trading her away
It reads kind of like Reyhan, Last of the Abzan for auras/equipment rather than +1/+1 counters, and I also get the sense that there are some infinite combo lines with certain sac outlets here
Should players ever draw a card that is a next stage evolution of a Pokmon they have in play, they will be able to evolve that Pokmon into a more powerful version