Now that we have all ten of the two-color gods from Born of the Gods and Journey to Nyx, Ill engage in a little thought exercise
//// Flamewar, Streetwise Operative Color indicator: black, red Legendary Artifact Vehicle 2/1 Living metal (As long as it's your turn, this Vehicle is also a creature.) Menace, deathtouch Whenever Flamewar deals combat damage to a player, exile that many cards from the top of your library face down
The latter two in particular allow you to instantly convert a pile of random artifacts into lethal damage with almost no warning
The difficulty with calling a deck mid or a 7 out of 10 is that meaning varies wildly from player to player
However, in order to support Counterspell and Murktide Regent, red mana is out of the equation
I mean, the flavor aspect is priceless, and the possibilities are nearly infinite