Unlike other Fogs, this is not a one of, so when one opponent attacks you and you cast Fog, you've used it up and now another opponent can swing your way, but not so here
Sure, you could argue that his abilities together are above curve, but his stat line still leaves him to be banished to most played on curve three drops and is laughed at by the best three drop in Madam Mim - Fox
However, context is everything when it comes to evaluating Magic cards, and while I remain skeptical of the card in Standard, the dramatic effect Narset, Parter of Veils has on the game plan of any cantrip-based archetype cant be denied
Technically, theres no best commander, but some are definitely better than others
Assimilation Aegis Some players balk at the idea of a removal spell being a fun card, but Assimilation Aegis makes up for it with the ability to copy the removed permanent