The problem is that even a single blue in affinity is a bit of a risk and so the more consistent but less powerful cards like Steel Overseer get played more often
The former certainly is the larger factor, with the rarest pulls like alternate art cards, or secret rare gold cards, always fetching the highest prices
The heavy hitters like Progenitus or Hexdrinker are very resilient outside of wrath or sacrifice effects, so I always pack sacrifice effects, like Accursed Marauder, To The Slaughter, or Grave Pact
These are minor annoyances if your whole goal is just to get text on paper, but if youre looking to print out a mock-up of a card and get it as close as possible to the real thing, these minor issues are going to be problematic
Simply go to the Magic card back seen poking out from the decks name on the right of the screen
My initial results were promising