My only criticism is it feels like Cleopatra was originally designed to trigger when historic permanents died, to keep theme with the rest of the set, but then they realized drawing three or more cards off of every dying Saga would be way too strong
If you're new to Cube, here's the general idea: A Cube is a selection of a few hundred Magic cards
Then in grows in size by the greatest value of what was exiled and then has that in annihilator
Not only are new cards constantly added into the mix, but old cards can resurface when specific strategies or decks rise to the top of any of the many formats that are available to players in this rich TCG
If Wizards of the Coast ever reprints those cards again, we can expect the current interest in Commander Masters to transfer to the new set
I was doing my best to keep up, and did see a bunch of the non-SPM lands along with my Arcane Signet