answered Oct 4, 2016 at 19:01 KSFT 1,78013 silver badges19 bronze badges 2 You can actually directly search for all cards without a mana cost (or, more specifically, an empty mana cost) like this [direct link]: This can be input directly in the Advanced Search by submitting Mana Cost and = , without adding any value to the field
You play the deck that can not only perform the best (or near the best)
4 Urborg, Tomb of Yawgmoth From the Vault: Realms Market Price: $50.58 A Commander format staple, Urborg, Tomb of Yawgmoth has only seen printings in compilation sets such as Ultimate Masters and Time Spiral Remastered (save for base set Magic 2015) as well as in the land-themed From the Vault: Realms from 2012
Restless Prairie
It could also be the basis of a drinking game: Have a sip of your hot chocolate (and nothing else) whenever somebody unwraps the present
Park Re-Entry Surprise Party T.A.P.P.E.R