Magic mushrooms them selves aren’t banned from the US — it’s their Energetic ingredients, psilocybin and psilocin. Magic mushrooms are viewed as a “container” for these illegal compounds and they are, thus, illegal by proxy. Czechia decriminalized the possession of little amounts of psilocybin mushrooms for personal use way back https://raymondukdtu.humor-blog.com/32086154/psilocybin-chocolate-bar-for-sale-secrets