While fully evolved Pokemon are typically stronger, strength isn't the determining factor for prices in the Pokemon TCG, as more often than not, popularity and visual appeal win out over other factors when determining a card's price
On your turn, you can only play cards from one house, which forces smart sequencing and long-term planning
5 Hop's Zacian ex - 186 Special Illustration Rare - $90.86 Special Illustration Rare cards are a unique opportunity for illustrators and players to get a chance to see the greater Pokemon world and how trainers interact with their teams
Examples are Brock's Mankey (switches the defending Pokemon, was played as an "anti-Slowking"), and Cleffa (this card was literal bajeezus since it's a 1-energy draw seven (!), doesn't require evolution, retreats for free, and even had a 50% chance of avoiding any counterattack)
It focuses on synergistic play between the Madrigal family but fails to include some of the best cards from the tribe