My favorite of the pair is the Amethyst and Steel, which centers on Jafar, Newly Crowned and his ability to bring back characters with the Illusion keyword from the banished (dead) pile to your hand
The Top 5 also includes Charizard Topsun Blue Back ($493K), Charizard Shadowless 1st Edition ($420K), Pikachu Silver Trophy ($444K), and Blastoise Presentation ($360K)
CRATERHOOF BEHEMOTH THE game-ender, Craterhoof Behemoth gets a notable reprint in the set
Platinum Angel was probably the next card on the list, and it argued that it prevented you from losing the game, but I still say better luck on the next ballot
Bulk the common, non-hits that make up the majority of the cards you'll get in a pack aren't usually worth much
What competitive formats is Solphim, Mayhem Dominus played in