I see the combo with Tectonic Hazard and Death-rattle Oni, but that seems pretty niche otherwise and could be replaced with more reliable/repeatable enablers instead
The colors of Alpha and Beta cards could be muted, which is to the detriment of black cards, specifically, but that fade, coupled with the three dimensional beveling around the art and the text box, gives red cards, specifically, just a really nice pop in that thicker Beta frame
White has two archetypes in which it is a main colour, one of which is control and the other aggro
You can even run Kuldotha Forgemaster, and tutor out big artifacts as a backup plan
One thing to remember is Kess, Dissident Mages ability and how that can help you set up your game-winning play
It pairs well with a number of backgrounds like Agent of the Iron Throne or Clan Crafter, and it provides a steady stream of mana to keep the dragons flowing