It creates a market that is both more accessible and distinct from its Western counterparts
UR Ultra Rare Performapal King Bear X EARTH Level 6 [ Beast-WarriorPendulumEffect ] ATK 2200 DEF 1000 P Scale 7 Once per turn, during the End Phase, if this card was activated this turn: You can destroy this card, and if you do, add 1 Level 7 or higher monster to your hand, that is either in your Graveyard or face-up in your Extra Deck
Dragon-type Pokmon were included as Colourless Pokmon cards until 2012s Dragons Exalted expansion, where they were granted their own distinct type in the card game
If you are trying to do a proliferate deck or something like that, this makes perfect sense as an enabler
Longtusk Cub Longtusk Cub can go the distance, and this green cat was very problematic in Standard
All Mythical Island cards list in Pokmon TCG Pocket Heres every new Mythical Island card laid out in a handy table: