It's a fierce curve-topper, a 6/6 with four abilities that grants +1/+1 to allied creatures based on many different abilities that they may have, including partner
Honorable Mention Rankle's Prank This fun four-cost sorcery will make everyone you too discard two, and if you want lose four life and then Barter in Blood too, and any combo of those too
This brings us to another point made by Mark Rosewater, again related to the Reserved List: Now, why would this be an issue
Its nongreen nature does prevent some synergy with cards like Garruk, Caller of Beasts or other cards that cheat out only green creatures (Green Sun's Zenith, Natural Order, etc.)
We certainly werent expecting more news from Final Fantasy this week, but were not going to look a gift Chocobo in the mouth
In a format often defined by efficiency, the chaos archetype is an outlier