"Shadowless" cards are from the next print run, which lacks the drop shadow behind the Pokmon's art box but doesn't have the 1st Edition stamp
With a uniquely rare ability to completely shut down your opponents during your turn, Myrel stops all sorts of combat tricks from happening, giving you the freedom to safely cast your spells and attack into an open board
Though not as valuable as the Blastoise, fewer perhaps exist of the Chancey card
I was excited for them to represent "dungeons," being things you (the villain) play that your opponent (the hero) must deal with
Of the regular promos, the Greninja and Onix are the same cards as seen in Genetic Apex with new art, whereas the Haunter and Jigglypuff are brand new cards: the Jigglypuff, in particular, has a lot of potential in Status Effect and Sleep decks thanks to its Sing attack