The corners are sharp, and the centring must be 60/40 or better on the front and 90/10 or better on the reverse
Green is famous for its ramp (or infamous, depending on who you ask)
There is one exception to this rule, though: Commander
I expect it to fall a bit, but not as much as high-value speculations do post-release
The final list wont look exactly like MTGOs typical Vintage Cube lists either, as those frequently tend to experiment with newer cards or strategies Spain even stated explicitly in an article last year that the MTGO cube was about curating an engaging play experience, not a card museum. He says this cube, however, actually is intended to be more of a mix of both
Some Invasion cards involving kicker made the list, but they all have blue borders