I know it exists, I know of the memes that have come out of it, but I have not read or watched the full series to completion (blasphemous, I know.) As such, please do understand that my review of these decks will not be considering the canon/lore-specific aspects of these characters, and rather focus on a holistic analysis of the decks according to the framework we here at Tap & Sac have been using for our EDH deck reviews
Summon: Fat Chocobo: Fat Chocobo is silly but also one of the best commons in the set
The third option to distribute two +1/+1 counters among one or two target creatures has no synergy with our Treefolk Tribal deck, but it is just a plus
Why should nature? Emil, Quandrix fourth-year Watermark: Quandrix Illustrated by Josiah "Jo" Cameron Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
I think she does enough to get into the lower bomb range, especially because even if you dont have a deck with a critical mass of ETB triggers, the addition of shutting down opposing triggers makes it more likely she has a real effect in addition to the statline Her static ability alone does a pretty good job of protecting her, as taking down a walker with a single creature attacking at a time is quite the challenge, but her other abilities are also really good and make it challenging to ever take her down