Although maybe not technically a plant, a psilocybin (magic) mushroom, seriously messin' with peoples' heads -but only if they first pick, chew and swallow me.
I've been out of the psychoactive loop so long I had to kick start a search engine to learn about sativa. It sounds like the opposite of the weed I used to get, best described as: contemplate the many anxieties of existence while eating a package of Twinkies.
They are preferable to indica as not only do they provide mental highs but can provide highly nutritious hemp seeds and hemp products plus no couch lock.