It could be a cute metagame call to shred that one Go-Shintai of Life's Origin player, but you can do much better for mono-white flicker commanders, like Elesh Norn, Mother of Machines or Preston, the Vanisher
This is a far more threatening creature
However, in a game more increasingly utilizing combat, banding is the ultimate combat mechanic
The replacement effect of Blood Scrivener will replace draw a card with draw two cards, and the part about losing 1 life will be ignored
I will say that Compy Swarm suffers a lot for being green, given that Sacrifice themes dont always go into green, so your Golgari deck will more often rely on killing your opponents creatures to double your Compy Swarms
Combine this with a lack of protection, and The Ancient One might not be as useful as initially perceived