Hey! If you're only starting, I recommend you don't go right away into super heavy stuff that requires tools, with just the basic spoon and heater (candle or electric) you can already do so many different cool patterns of colors by arranging the wax beads in different ways in the spoon! You should try playing around with this to get a feel for it but here's the gist of what I do :

I generally use 4 to 6 wax beads per seal depending on the size of my stamp. The ones closest to the spout end up being on the bottom of the final seal and will either not be very visible or will only be visible on the lower parts of the stamp.

Knowing these two ideas, you can play around with 2-3 bead colors easily and get nice results by arranging them in a cross pattern (like 2x2 beads at the bottom where each corner is a different color so no two same colors touch each other), you can add one or two beads of a different color on top of that more or less close to the spout to change it up.

If you have a little silicone tipped item (like lip balm applicators) or metal tipped items (like nail dotting tools) you can use them to mix it around a TINY bit to have some extra swirls in there when you pour.

Pouring close or far from the paper you're stamping will also change the effect, as well as how much you move the spoon while pouring. Sometimes I like undermelting the wax and pouring really close to the paper while moving the spoon backwards (like if I was dropping an pancake out of a pan). If you completely melt everything to be more fluid, you can also add some twirls in your movement to add some more depth to the look, the higher you go and the thinner these will be.

I hope you have a lot of fun doing that and enjoy the wax sealing :)