So, this is a surprise tech in Mewbox that utilizes this Spinarak (http://pokebeach.com/scans/heartgold-and-soulsilver/83-spinarak.jpg)
and Vileplume UD. The idea is to LZ a Spinarak early game (via Relicanth, maybe?), Pokemon Catcher up a non-lethal Pokemon (Cleffa, for instance), and Rare...