If you're on the play, your best playline following Pluto on turn one would be to play Kit Cloudkicker on turn two , allowing you to bounce your opponent's turn one card back to their hand, giving your two characters on the board while your opponent has none
You get abilities worthy of a seven-mana Planeswalker without the downsides of having to put one in your deck
Its popularity is possibly driven by the 1999 film, Pokmon: The Movie 2000
Then, trash the rest
If a player has zero cards in hand, controls no lands, or controls no creatures, other players will have to discard their entire hand, sacrifice all of their lands, or sacrifice all of their creatures, as appropriate
Shes the Last Bloodchief, desperately trying to find a way for someone else besides her to sire new bloodsuckers