Her strength lies in her eternal recursion of otherwise non-recurring instants and sorceries, combat tricks that while they require a constant investiture of mana to keep coming, they never stop
This will help you figure out exactly which one is right for you and plan your strategy
Graveyard hate that isnt raw card disadvantage is good for managing Murktide Regent and Lurrus
It's a rather expensive card, so another way to obtain it is great and makes it a very welcomed reprint
Go Blank is certainly a better Mind Rot in the abstract, but once you start getting good stuff to recur, the flexibility of Inscription pushes it ahead
These cards are built for play in Commander, skipping Standard, Modern, and Pioneer legal play entirely