The amount of legendary creatures is a bit overwhelming, but when I reframe my thinking, it provides players a broad selection to choose from when exploring such a unique plane
Honorable Mention: Sakashima of a Thousand Faces Clone effects are incredibly strong, and a clone effect on a commander with partner that also eliminates the legend rule for you is incredible
Skyship Plunderer can pick off a Channeler Initiate
Hades Infernal Schemer Has No Downside When Played Sitting at the absolute peak of villainous design in the Fabled expansion is the mastermind of the underworld, returning a familiar face to the villain-themed tier list
Discarding cards as a cost vs doing it on a resolve: it doesnt matter in goldfish scenarios, but can be a huge difference when playing vs counterspells or soft grave hate
As a reminder, this can also be a tricky upgrade for Changeling decks since most of your creatures will trigger Freerunning