hi,
just took a quick overview but my suggestions so far:
i dont see any value from
evolving wilds in mono white (
expedition map might be an addition if u really want a land ?)
if u really own the majority of cards u included u can build much stronger decks, feels kinda wasted on this commander (but just my 2 pence)
maybe sram would be a better commander, since he includes a draw engine, feels good in mono white for me
the wanderer might be kinda useless, maybe
ghostly prison or smth like this (i think somehwere is on deckstats are really nice lists for stax staples)
open the armory might be worth looking, although enlightend tutor
generous gift in swords to ploughshares might be suefull single removals
bygone bishop seems kinda useless, he has 3 targets in the deck?
ulamog and blighsteel are cool but in mono white maybe a bit slow?
pearl medalion doenst really help u with ur artifacts, maybe something that makes them cheaper could be bit more usefull?
there are nice artifact ramps u might include (wayfarers bauble,
solemn simulacrum,
burnished hartskull clamp is nice but how u use it to draw cards?
the shrine of nykthos seems not to usefull cuz ur devotion to white might be pretty low
finally please dont get me wrong, i like mono white pretty much, just wanted to help u a bit