If they were to only offer two sets for each generation of Pokmon (which they likely wont, if you understand how the physical TCG works), thats 18 months worth of content on its own
The first is to force the card draw upon someone by hitting them, refilling both of your hands and popping out a few snakes
Unchained Abomination: Can be used to wipe out specific cards from the field since it can destroy cards whenever a monster you control is destroyed by a card effect and sent to the GY
Its regular attack, Lost Impact, does a massive 280 damage, putting it in range of one-hit KOs for many VSTAR Pokmon
Specifically, his Warning Growl matches everyone else's, and his Oops, Too Hard trigger on Toss now kills the target at the end of its movement instead of the beginning