Contrary to popular belief this card is not that groundbreaking but it will be important considering how good Magcargo looks in the future. Although it’s by no means bad, 80 hp for an evolving basic is great and the attack isn’t that bad either.
The ability’s great but it’ll be hard to tech it in decks since it’s a stage 2. And I don’t see it being a deck by itself because it doesn’t do much damage. But the ability is still great and you could play Lance or Dragonite GX to get it out without evolving so that could work for it. If...
You could try the incredibly terrible strategy of KOing a GX and taking 3 prizes and then use a super scoop up to put it into your hand, Cynthia to shuffle it into your deck, play Rotom Dex and pray it ends up back there and KO another GX, hope you draw it again and win the game! It’s a God...