Just a color test of my dragon-pony. I didn't want to make him look like a Spike's half-brother, but purple was the color that I originally imagined him as, and it still seems to be the only color that suits him.
Like I mentioned in the description of the earlier sketchdump where he appeared, I actually came up with Tinder, or some proto-form of him, way back when I was a kid watching the original MLP series. Back then, he had amazing magical powers and was the High Lord of an ancient dragonian order of knights, despite being only half-dragon. (Come on, I was, like, six or seven.)
Now, I'm thinking he probably doesn't have much magic to speak of, despite being technically a unicorn. On the flipside, he can breathe fire and has wings like dragons do, and he's bigger and a lot stronger than most ponies.
Maybe I should draw his parents too.