You are buying a regular vending machine and stocking it with authentic trading card products that you purchased for resale
Ok Harpie Lady Feather Duster SD0D-JP002 (YuGiOh Japanese Structure Deck: Harpie Lady Sisters) Details More Photos: YuGiOh Japanese Structure Deck: Harpie Lady Sisters: Harpie Lady Feather Duster SD0D-JP002 Full Price Guide: Harpie Lady Feather Duster SD0D-JP002 (YuGiOh Japanese Structure Deck: Harpie Lady Sisters) All prices are the current market price
As she represents quite an annoying threat she is generally quite a priority target
For example, if the card had been a Doom Blade, and you are the only player who controls a non-black creature, you would be forced to cast it targeting your own creature
Similar to Charizard, you need to discard two energy after using Psydrive, but if you have a Gardevoir, you can quickly refill this and go again
The primary use is likely as a secondary option for the second game onwards in Omniscience reanimation decks