To get started with Effect Scrolls, there is a few steps.

Since the mod doesnt have its own world gen, one must go out and explore the underground looking for Amethyst Geodes. After finding one, you can start converting the Budding Amethyst into Crystal Node by right clicking the Crystal Node Converter on it.

Alternatively, you can use the Color Applicator and any forge:gem to convert a Budding Amethyst into the selected color Crystal Nod