Instead of going YOLO trying for a Turn 1 Full Blitz with Pikachu & Zekrom GX, Lightning decks can fall back on the more dependable Boltund V thanks to its Electrify attack that, for one Lightning energy, can accelerate two Lightning from the deck onto your Benched Pokemon
Its especially back-breaking against X-spells, which incentivize players to dump as much mana as they can into the spell
I could keep going and going
This effect absolutely isnt worth 3 mana, especially since graveyard hate is so prevalent, even as an ETB on something else
[L][L] Scrap Short: 40+ damage
While noticeable exceptions do exist, such as the phenomenally rare and valuable Umbreon Star POP Series 5, among the ungraded Umbreon cards currently moving on the secondary card market, this one is king