Obviously exiling instead of sacrificing is a big deal, but Sothera requires everyone to have creatures in play for it to stick around
The aim to close out games with commander damage isnt as one-dimensional (or easy) as it might be with Traxos, but the chance at instant-speed power-growing shenanigans might be amusing
If you prefer to build an indestructible fortress with Darksteel Forge before using Bolass Citadel to fish out one of the many infinite combos (mana, mill, turns, damage, etc.) artifact decks are known for, you can absolutely do that too
It's a great reanimation effect because it has maximum versatility
They often run a wide density of creatures with powerful enter-the-battlefield abilities, like Archaeomancer and Ravenous Chupacabra, to take advantage of Aminatou's flicker ability