@blindtherapy I don't think this is playable in many decks because anything that's a 4x leaves them with 4x zombies. That's a clock. However, it's decent at hitting singletons, and if you want trigger your oath...
Oko is likely just better in oath, though.
Fringe playable in Oath?
I'm not sure what matchups it would help against, though? 1BB is a tall order, especially in the early game, since you probably don't want to be running Bayous. And Lobotomy effects have the usual problem of being very weak unless you have special knowledge of what cards are currently in their hand, or your opponent's deck has a linchpin that hamstrings your opponent's strategy if removed.
Currently Oath struggles against faster combo decks, e.g. Doomsday and PO. Necromentia on Doomsday is probably game-winning but resolving a 1BB spell before they go off strikes me as too unreliable to be a sound strategy. The card likely fares better against PO but again I worry that it's just too slow.
I don't think this is an airtight argument, but hasn't this never worked before? This is a really common sort of effect and it's never strong. I can think of individual events where someone did well with Jester's Cap or Sadistic Sacrament, but in very specific decks, performing a specific function that this card can't (hitting different card names), and none of those decks were successful for more than a tournament or two. Even when these sort of cards see fringe play (Surgical Extraction), I think people tend to bring them in and cast them way more often than they should. I've run Cap, Sacrament, Extraction (and believe it or not, one time Extract), but I think they're only correct in really niche situations, with advantages that this card doesn't have. This registers as a bulk rare to me.