expensive trainer pokemon cards Top 25 MOST Pokémon Card Sales Ever Why is this trainer card

Mega Evolution (and again, I stress my sample size is non-scientific) blew this out of the water for me

Group Power

Mythical Island (A1a) Release Date: December 17, 2024 Card Numbers: 68 cards + 18 rare cards EX Pokemon Cards: Celebi, Gyarados, Mew, Aerodactyl, Pidgeot Trainer Cards: Budding Expeditioner, Blue, Leaf Rainbow Pokemon Cards: Mew, Aerodactyl Immersive Cards: Celebi Gold Cards: Mew Mythical Island was the first themed booster pack set in the game

The lower minimum compensates for the lack of consistency in the format when building decks, allowing players to consistently play the cards they plan around without waiting forever to draw their one copy