The deck does run a few black-producing dual lands to cast the creature side of Callous Sell-Sword, but its otherwise the dominant mono-red build of this archetype
That's a very good advantage, and the fact that it's so cheap to play means you can do a massive amount of setup early in the game, or just a play a big monster and have it get over its summoning sickness before the opponent can do anything whatsoever
For those not in the know, these two siblings have been integral to countless moments in Magics story, and are some of the most mythic of characters in the story, albeit not quite as popular as the likes of Nicol Bolas
Another all-star Kor common
You haven't LIVED until you donate Dralnu with a Wrong Turn in response to a Blasphemous Act so opponent sacs 13 permanents
Then box prices will drop a bit, and well end up with another set like Eternal Masters