There is a nostalgic pull towards Pokemon, with many, many young adults having fond memories of opening up booster packs and trading cards with their friends on the playground
By paying 1R and tapping Orthion, players can create a token copy of a creature and give it Haste
If you cast two spells during the turn, you get 3 life, and if you cast five spells, you get 15 life
Every card gets destroyed, with only this one remaining
Getting to put a Wondrous Crucible or Bolas's Citadel into play well ahead of schedule while still having all your mana is incredibly powerful
Organic demand takes over and people start to realize they dont mind paying more than they used to be able to for the card because its quite good in the deck, but slowly, increased supply catches up and satisfies the demand