Thank you for sharing.
My cube is a bit different than most cube owners but here it is.
The entire card pool (Ascension):
https://cubecobra.com/cube/list/q0a?view=spoiler
The Basic Land Box:
https://cubecobra.com/cube/list/5fbd58b45132cb1052dab23e?view=spoiler
We do not draft the cube right now. Instead we use some custom rules where players begin with a low-powered deck and get better and better cards after each game/match. We are in the process of designing a super, super low-powered starter set for initial drafting.
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Ward - Sacrifice a land is perfect. Feels fair.
I think you can maybe wait on the Bauble name for now. I bet you get a good name within the next year for the Dominaria and/or Brother’s War.
Name ideas for your Orzhov land:
Dawntouched Deadlands
Dawntouched Barrens
Barren Fields
Fields of Scarcity
Or maybe something with the word Famine
Or
Concealed Courtyard