Jokes and lore aside, it can cast noncreature spells from your graveyard whenever it mutates
So yes, this is just great because, instead of needing a lot of complex pieces to pull out a very high attack and KO the last VSTAR Pokmon, you can simply ignore everything, wait till your opponent is about to win and steal the victory right away from them
if you want to sell, list high-demand borderless pieces first, and if you collect, focus on cards with strong Commander appeal like Bria, Riptide Rogue
Well, a different take on the old cycle, rather
At the end of the Damage Step, if this face-up Attack Position card battled an opponent's monster: Inflict damage to your opponent equal to that opponent's monster's ATK, also destroy that monster