Morpeko V-max is not only adorable, but it also spreads damage. It also hits and runs. That is why it's getting so much love in the meta right now.
It evolves from a Lightning-type Pokemon Morpeko V, which is now firmly based in the Doll Stall archetype alongside Lillie's Poke Doll card.
This deck is already considered the most busted deck in standard, so it looks like $20 is the going rate ... for now.