This 6/6 Beast for was already under curve for the time, but then you tack on an easy-to-ping triggered ability and two useful activated abilities and you're looking at a Morphling-level creature (for the time)
The third Charizard card, a Reverse-Holo card, sold for $3,500, just above the $2,961 estimation. "I wasn't expecting them to be worth anything like that, Braund said
So, what does this mean through the lens of Magic design
I do want to point out some of my favorite Azorius cards that didn't make the list: Fractured IdentityFractured Identity and Dragonlord OjutaiDragonlord Ojutai
Even the two Chainer decks play differently from each other
Metallic Mimic will see play to start the format in Humans decks as a somewhat opposite Thalias Lieutenant, but it also pairs well with Servos, Eldrazi, Vampires, and Aetherborn among other tribes