Putting back a Kor Spiritdancer + Sage's Reverie or, well, basically any two cards from the deck back into play is great value for a 5cmc sorcery
However, some Pokmon cards are intentionally scarce because they were printed in a limited run
High-grade PSA 10 copies have appreciated dramatically over the past decade as the collector market has matured and the supply of gem mint copies has proven to be far smaller than many expected
Ragavan FTW: These are the best cards in Modern Horizons 2 The flipside of this is Tovolar, the Midnight Scourge - a 4/4 that still lets you draw cards, but also allows you to pay X, one Red, and one Green, to give a Wolf or Werewolf you control +X/+0 and Trample until the end of the turn
In this case, I have a feeling that Latias ex [Surging Sparks] is going to enter the ranks as one of the incredibly playable Basic Pokmon