While we could still win the game normally by milling our opponent bit by bit, in this matchup, each card we mill is potentially game winning because if we ever mill the single copy of Approach of the Second Sun, it's almost impossible for our opponent to win the game
It can do crazy things, whether its making tokens, dishing out +1/+1 counters, or even doubling up the loyalty counters Planeswalkers enter with helping them go ultimate (and often winning the game) in no time.
Further, push the combo to the limit with another Necron Dynasty card, Biotransference, to turn all your creatures everywhere into artifact creatures
But then it also said "immediate changes to the list are not our priority", so it's perfectly possible that no changes to the Commander banlist are imminent
Red Purple Trafalgar Law was one of the most powerful decks in the history of the card game
This allows you to not only play into Rakdos Burn's strategy with its kicker cost, but also hamper midrange decks like Tron and Affinity by forcing discards to prevent them from holding up too much interaction