Starting with the idea that there has to be a steady supply of goblins to burn up, nine creatures serve the deck: The Legion Warboss as well as the Rabblemaster force us to play aggressively and to continuously put pressure on the opponent even with small creatures if we dont sacrifice them beforehand
You have a 3/3 that you can give indestructible by tapping a mere 1/1, and by paying 5, your creatures get at least +3/+3 until the end of turn, but with elf typal buffs itll be much more
Hold 12-24 months, and the path to $500-650 mid is well-supported by both comparable set data and current demand trends.
Kamigawa's kitsune were also given the Fox creature type in Neon Dynasty.
Snapshot prints your custom design onto real premium card stock and ships it, so your creation becomes a physical card you can actually hold and play
But there's no substitute for actual play, and you will likely continue to tinker with your cube over time