Now that I know what I'm doing, I could flatten dozens of cards using the same process in less time
Black is "either an edgelord or was an edgelord"
Lets assume that we have a relatively low curve, but not Deaths Shadow low, so wed want 22 lands in a 60-card deck
Every feature I could think to want was pretty much already present
Regardless, Basic Lands are generally counted as common cards in all respects, including their expansion symbols being black
For instance, heres a search of all two-mana blue Wizards in Modern found in this collection using one set of view/sort options: When you filter by colors, the game displays results specially to assist Commander deck builders: The top two groups are important for Commander: cards fully within the searchs color identity, and those that are color-independent (colorless thus, format-legal)