There are so many great cards that a late Wild Mongrel doesnt necessarily mean that green is open in the same way a late Dead Weight does in Guilds of Ravnica
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
Cards with high-volume sales often compete with one another for search visibility on auction sites
This gives you a free chump blocker every turn in Limited, which basically just removes your opponents biggest non-flying, non-trampling creature from your combat math
Daxoss greatest strength is not having to tap to activate its ability, letting you pump out multiple Spirit tokens per turn as long as you have the mana for it