price of pokemon cards over time Pokémon cards are outperforming the S&P 500. What gives?

1 Ringwraiths

The deck features 3 copies of Yorvo, Lord of Garenbrig, which is already a very strong creature at 4/4 for 3 mana, but also gets stronger each time you cast a green creature (and all your creatures are green!) The deck adds 3 copies of Thunderous snapper, which is already a 4/4 for 4 mana, but also draws you cards each time you cast big creatures

Back Shinryu, Transcendent Rival Legendary Creature - Dragon Flying As this creature transforms into Shinryu, choose an opponent

Each Play Booster contains 14 Magic: The Gathering cards, including 14 cards of rarity rare or higher, 36 uncommon cards, 69 common cards, and 1 land card