IMO there's little reason to Zenith elder/elves, when we could just make more explorers. The deck has a ton of ways of killing Veterans.
IMO Brutality is really good. Killing our Explorers and enemy Deathrites, takes counterspells and combo pieces. Brutality fills the punishing fire role of killing small creatures while providing other, better utility.
Liliana - the deck needs some form of removal for larger stuff we can't just Deed/Brutality away. I'd rather play Liliana than any of the other edicts, since she has other utility with the discard effect even if we don't use it all that much without Loam. Burning Wish for LftL also means we have plenty of opportunities to get an engine going.
The other option in Liliana's slot would be To The Slaughter, which is pretty nice but I'd rather have the discard synergy. We already don't care about Jace all that much since we have a fast clock and really like it when miracles taps out.

