Step One: Create a pencil that gives whoever is holding it Flawless Artistry and Absolute Creativity.

Step Two: Create a potion that gives me reality warping power and intuitive mastery over it.

Step Three: Create a waifu goddess with immense cosmic powers and boundless loyalty.

Step Four: I'd create my very own world and live there.

Step Five: Create my own little civilization on my planet.

@Omni-Defiance creating your own civilization seems interesting.

Imma do the same 2 steps of @Omni-Defiance 's comment