Green Stompy decks are most common in Standard, where formats tend to be slower and fairer
As you can tell from the Twitter post (assuming that you can read Japanese), this is meant as an incentive for Japanese audiences, so no point chasing after these in your English Collector Booster boxes
Kitchen Finks Finks is cheap, available to many decks, gives life immediately, acts as a good defensive chump and is hard to clear out the way
As always, I'd love to hear your take on my take on the color pair
Additionally, all of the Kaladesh test prints have the same artist, "Mollusca Bivalvia", which is neither the artist for the actual card art, nor even a person that actually exists