indoor "natural" party cup grow

hey guys im lookin to do a party cup grow here under a 60w lamp im pretty sure and i mean i know marijuana is a weed but i was planning on using just outdoor natural soil. i dont plan on giving any nutes and i wanna do a 12/12 lighting method on it to make a little plant. if anyone has any type of advice or anything like that please do tell. thanks guys and happy smokes..