I can say that the lead time between when WotC placed the order with the print facility, and when each set was released, was about 3 months when these cards were made
If an activated ability of a card in exile with a brain counter on it references the card it's printed on by name, treat Rex's version of that ability as though it referenced Rex, Cyber-Hound instead
Some of them look like they'd be more at home in a silver-bordered Un-set than a traditional Magic expansion
The Future In the short term, Ensnared by the Mara doesnt really look like a slam dunk, if were honest
When this land enters, sacrifice it unless you pay
There are plenty of creatures in Grand Larceny that either have evasive keywords like menace or flying, or flat-out can't be blocked (like Slither Blade and Silhana Ledgewalker)