Growing Your Own

Psilocybe Cubensis / Magic Mushrooms
Psilocybe Cubensis is the "classic" magic mushroom. The active ingredient is psilocybin, which, when taken orally, induces a powerful psychedelic experience. It's the most common magic mushroom primarily for two reasons: it is easy to cultivate and relatively potent. Growing cubensis can be an all-in action requiring expensive humidifiers, proper lighting, high-grade pressure cookers and all that fancy, or it can be as simple as a shoebox and a pot with boiling water.

Safety precautions
Know what you're getting yourself into. Obviously, psychedelic mushrooms, as wrong as it may be, is quite illegal, and will for the most part get you in solid trouble if the eye in the sky catches on to your misdeeds - especially if you're growing them yourself. Exercise proper OPsec, don't trust too much in trust, and never show your hand.

Another aspect of safety when it comes to psychedelic experiences in general, is the personal and mental. Psychedelic drugs can wreak absolute havoc on everything you consider real, and will drastically change your outlook (and inlook), not only while you're under the influence. The psychedelic experience is not one to take lightly, and can be a terrible traumatizer as much as it can be an enormously potent tool for self-development and horizon expansion. Which direction it goes is rarely random; it is up to each traveler to take care of themselves, and ensure a healthy experience. Planning and self-consciousness is key to getting in and out of these experiences without taking damage. Without it, you will get burned at one point or another.

Spores
The most elusive of the ingredients needed is the spores themselves. These can be quite difficult to get your hands on, depending on where you live. If you have access to the internet, and have a way of receiving snail-mail, you may be able to find a seller on the clearnet, on one of the many online forums revolving around the cultivation of magical entities, or - better yet - a vendor on the darkweb. Again, exercise caution; remember that you can always deny your purchase as long as you haven't gotten the product in your hands, as long as you made an effort to anonymize your transaction of currency.

If this is not an option, you're left to either hunting for cubensis or similar yourself, if you're lucky enough to live in an area where they are to be found in the wild, and making a spore print from your harvest, or knowing someone who knows someone.

Spores come in a couple of different shapes: some live in a liquid culture, some live in distilled water, some are simply a spore print, some are agar-based and live in a petri dish; the possibilities are practically endless. The most common is a spore syringe, which is what this article will assume you're dealing with.