While Elemental HERO Neos on its own isn't spectacular, it's the cards that it can make that are
It also can be cast by sacrificing a creature, a good alternative if you play a Nested Shambler or if your opponent is running some Pacifism like So Shiny or Captured by Lagacs
It uses the same structure as its predecessor Quarter Century Bonanza, giving you 5 foil cards a pack which includes a guaranteed luxury secret rare per pack
Its easy to see why this is one of the most valuable cards in Pokmon 151
Right off the start, the Main Deck monsters are rather bad at battling despite the fact that this is actually an Aggro deck, but they can build a very potent draw engine that allows the Extra Deck to shine
For starters, the card has flashback, letting you cast it again from your graveyard for a higher cost