The pips in the mana costs and rules text of devoid cards all count towards color identity, but a colorless commanders decklist cant have any color pips anywhere (besides reminder text)
Its tougher matchups are Burn and Storm variants, although none of them are truly unwinnable if the control player has a strong sideboard plan
If they don't play something, then I just want to start the ticking clock
Kemba, Kha Enduring isnt better than the original, or at least folks havent built around it as much
For this reason, it's best to use Admiral Brass, Unsinkable as Ahoy Mateys' commander
The amount of advantage gained from this card is ridiculous even if some of the effects miss their marks, and once the kind of deck that plays this card gets that kind of edge it does not give it back