This isn't an Atraxa-level threat that'll put you way ahead of your opponents, not in Commander at least, but clearing the three best creatures off the board for the price of an Animate Dead is certainly a good enough deal
The second Commander Legends set contains a total of 361 regular cards and features alternative art and card styles via Showcase rule book frames, borderless, and extended art
For those who dont play a lot of big creatures in order to optimize efficiency, as is common with cEDH decks, Culling the Weak is going to be better suited to your needs
So be it
While that combo is cool, its about as clunky as bouncing and recasting your enters targets, which makes me suspect this Simic commander might just be, well, clunky and slow
Notably, Emrakul may be the target of a spell that targets it while on the stack, such as Syncopate