Black is best as a second or third color, and shifts you more towards a classic midrange attrition plan where youre incentivized to trade your modified creatures with opposing cards
In addition, on the reverse of certain Base set 1st edition cards there may appear to be the light ink impression of a 1st edition symbol, which resulted from an incompletely-dried sheet flat resting atop after printing
Theres five in total, Lorehold (RW), Prismari (UR), Quandrix (GU), Silverquill (WB), and Witherbloom (BG)
Flash and Ward 2 takes this from playable to downright strong
On the other hand, if a card isnt taken care of, it can drop in value over time
With the release of Structure Deck: Immortal Glory we received further archetype support and a vast majority of that pre-existing support consolidated into a single structure deck