The Slowking from Galar is not a very popular Pokemon, to begin with, so to take that design, add a psychedelic-like aesthetic to it, and make it as unique as this one is truly remarkable
BT13-091 SR Digimon Lv.6 Belphemon: Rage Mode Color Purple Cost 14 DP 14000 Digivolve Cost 1 Purple 6 from Lv.5 Form Mega Attribute Virus Type Demon Lord/Seven Great Demon Lords Card Text 1 [Effect] [Start of Your Main Phase] Delete all of your opponent's level 5 or lower Digimon
You can send 1 monster from your hand or field to the GY
GR Gold Rare Kiwi Magician Girl X WIND Level 5 [ SpellcasterEffect ] ATK 1800 DEF 1200 During either player's turn: You can discard this card
While there the player also meets several characters from the previous games, sees what has changed on three years worth of time, and the True Final Boss is the protagonist from the previous games
Unfortunately, the original color palettes are typically more visually clear and thus more appealing than versions like this