It is removed from the game and placed into the exile zone, where it loses all memory of its former state (any damage incurred that turn, enchantments, counters, equipment, whether it was the target of any spell or ability, and any other effect)
Giving another creature -2/-2 might not seem like much, but this will most likely have more than one counter on it
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
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
Anointed Procession is another token-doubling staple in white, regularly used due to its low cost and the comparative rarity of enchantment removal