Cards like "Brainstorm" and "Ponder" let you shuffle your library, effectively turning your fetchlands into "draw a card" effects
Playing Mishra's Factory in something like RDW might cost your good and average draws a small fraction of a % (total stab in the dark but we will call it 0.2%) in exchange for a slight improvement to your weaker draws
The Meathook Massacre isnt a horror film, but it is a Black enchantment that costs X and two Black mana
Best White Card: Archivist of Oghma White cards in Magic: The Gathering have been getting a lot more love in the last few years, and rightly so
If the rares take off, individual boosters in those colors might be hard to grab individually, and the underwhelming white packs might be all thats left at the LGS that sells boosters on their own
Its always a hoot to resolve, and Im a big proponent of injecting more randomness into your games of Commander