Good soil and ferts (foxfarm is pretty well rounded and easy to get)
Minimum 150w of cfl/ plant (HID or LED is preferred)
Seedling starters
5 g pots
Distilled water from the store.
And of course some seeds
Growing more seriously can get quite a bit more complicated though. There are many things to consider including environmental factors like humidity, temp and air circulation. Or what's in your water, ph, ppm and levels of nutrients for what stage of life your plant is in. Best advise though is to just give it a try, pick up more stuff as you need it, and learn from your mistakes.
Happy growing