Every set includes a handful of SRs usually full-art trainer cards and occasionally Pokemon ex with holo-textured borders and the trainer/characters name in a distinctive typeface
Planeswalkers may have multiple subtypes
Impulse draw for free at the end of your turn, you get to play that card on your next turn, and if you do you get free mana, making Prosper a great treasure commander
Emerias Call is no exception here, as 7 mana for 8 powers worth of creatures at sorcery speed isnt anything to write home about, though it can serve as a good finisher for aggressive decks trying to close the game
You could toss him into Kaalia of the Vast Demon Tribal and just hope he doesn't kill Kaalia
Why the Mega Evolution Series is So Cool The Mega Evolution Series brings back the legendary Mega Evolution mechanic from the XY era, launching as the first big block after Scarlet & Violet