It feels soldily like an equipment for decks that can cheat equip costs, or decks that otherwise dont care about equipment but want to generate a lot of mana or artifacts
Plus his mana can be used for things when you don't have any creatures out to play with, whereas Sarkhan's +1 and -2 really do require a certain creature-fueled board state, but Domri can always lean on making mana or using his 2nd ability even when there are no creatures on the battlefield
That gives us bird powerhouses like Derevi, Empyrial Tactician, Falco Spara, Pactweaver, and the bird of birds, Birds of Paradise provides us with access to birds-matter staples like Soulcatchers' Aerie, Flurry of Wings, and Tawnos, the Toymaker and, of course, green brings some of the best land ramp and landfall cards, with staples like Scute Swarm and Tatyova, Benthic Druid: And that's just looking at existing cards Final Fantasy has a good chunk of new bird and landfall toys to play with
You can find this Regrowth Bonus card in the Storm Secret Lair
I like the difficult choice of which opponent gets the counters, especially if you have a way to remove the opposing creature after you put the counters on it
