I am a big fan of the Lore (and the Three Kingdoms equivalent version) as they can find a selection of the premium non-basics as well as providing the land untapped
Potentially, Barbara Wright might spike a little higher soon, but I wouldnt expect that to last long
For formats like commander which have a buildaround card, people wanting to play that particular card is usually the driver and whatever colour(s) that card is will come second to what it does (typically)
How about a cycle of elementals whose ETBs provided huge immediate battlefield impact, suffered from no timing disadvantages, and cost ZERO mana to evoke
With a few cards like Night Shift of the Living Dead, you can make little adjustments to your dice roll, or even the enchantment like Barbarian Class to reroll your dice rolls to help ensure you get the results you want
So, lets say you cast Phantasmal Image and you copy your opponents Boros Reckoner