Many decks interested in wraths want to play blue anyway, and being uncounterable is way more relevant than preventing regeneration, since its mostly been phased out, and common protection spells use phasing or indestructible
Now, I am not in those meetings at Wotc, and one could certainly accuse me of extrapolating a bit and making a few assumptions on what WotCs actual agenda is, but at least the idea Im presenting is consistent with the facts
Returning to college and inspired by my summer of cubing, my friends and I made our own cube from crappy cards that we pooled together
Choose one to keep
If you are instructed to perform an action on your commander (e Artifact At the beginning of your upkeep, flip a coin
On the other hand, the Sapphire Steel deck is pretty cohesive already, even if most key cards will only have one copy included