If it werent, or if they still had the banned as a commander distinction, Im confident this Sultai commander would still be legal, since Narset, Parter of Veils is essentially doing the same thing
Finally, as the planeswalkers we chose, we have Geyadrone Dihada as well to give us health, Liliana, Dreadhorde General to create blockers or remove creatures and give us eventual card draw, and Teferi, Master of Time to recycle our hand, phase out problematic creatures and possibly give us 2 extra turns
People have had a lot of fun talking about this card and the unexpected return of Storm to Standard, was that a hard decision to make
The key to beating Abzan does not lie in being more efficient than they are, which is hard given how powerful their individual spells are