Another very high contender for the most expensive cards in Unlimited is Chaos Orb
More importantly, it forces your opponent to discard a card from their hand, which is not only a good disruptive strategy but lets you mitigate some cards that affect both players, like Iono
The remainder of the deck is filled with standard Trainers/item/Supporter cards, with picks such as X Speed supporting the pivot from Moltres to Centiskorch once it's been powered up on your bench, Potion for keeping these Pokemon in play when needed, Giovanni to push for a single turn knockout on many opponents (including ex) by pushing Centiskorch's damage from 130 to 140, Sabrina to disrupt your opponent, and Poke Ball and Professor's Research to help you get the right cards in your hand, and into play
Pride of Lions, by the way, has some hilarious art that looks like it would be on a silly retro t-shirt you might find at a thrift store and thing, "How did this get made?" Seventh Edition also had some really great pain lands that tap to add one of two mana colors by spending one life, or generate a colorless mana without the life cost