Non-foil Special Guests cards are available in Play Boosters
The Most Powerful Magic: The Gathering Commander Precons Draconic Domination - Commander 2017 The Ur-Dragon still commands a high fee, and the 10/10 standard-bearer of this five-color precon is a beneficiary of the Eminence keyword
That includes gold like Windreaver, hybrid like Judge's Familiar, split like Protect // Serve, or aftermath like Farm // Market
Kami of Transcience is a threat out the gate that keeps getting bigger and must be exiled to be rid of it for good.
They could have put those designations in again, but no, they made it easy on us for the Spider-Man sheet, designating all of the cards as mythic
The second best proliferate card in the deck has to be Flux Channeler which can trigger like crazy in the deck and is a game-ender