Unlike the kind of advantage afforded by something like Temur, Bant doesn't need to take a ton of actions per turn once it gets going
Inteleon has an ability and an attack: its ability, Double Gunner , allows you to discard a water energy from your hand, and if you do, you can choose two of your opponent's Pokmon and put two damage counters on them
Frail, yes, but repeatable, HELL YES
This simple manufacturing choice can drastically increase the perceived value of the product on a retail shelf
I have not bothered to investigate between all of the various eras and iterations of the Pokemon Companys Corporate Hierarchy
Molten Echoes Molten Echoes gives you a token thats a copy of the creature that just entered the battlefield, and thats very good with strong ETB creatures or decks that care about numbers