This made the scheme far more impactful when a player used it at the time, but it doesn't really hold up as well today for that "wow" factor that it ought to have commanded back in the 2010's
With so many sets in Pioneer, the chance that the energy core is just the best way to build decks to such an oppressive extent is much less likely than it was in Standard because ultimately there are still only two sets that contain these energy cards
But then I saw that Karl was on duty
Pokemon Card Game Japan officially revealed their new products which will feature N and Lillie
And I can play Auratog, and give him +2/+2 each time I sacrifice Rancor, and then draw a card for each sacrifice by replaying Rancor for a single green mana
And if you cant effectively push damage throughout the early-to-midgame (perhaps because your opponent played a 0/8 on turn two), then your most consistent gameplan for enabling your max speed cards is non-combat pings