While not many of them have been revealed thus far, we do know that Mantyke, Plusle, and Minun ARs are part of the set
A prime example is this version of Sheoldred, the Apocalypse as "Khan, Engineered Evil," which depicts the incarnation of Khan from the Kelvin timeline
Fortunately, these measurements are identical: 2.5 inches = 63.5 mm 3.5 inches = 88.9 mm Learning both versions helps avoid ordering incompatible accessories
In my Top 20 cards from Kaladesh list I definitely had Revolutionary Rebuff ranked too highly, as it turned out not being able to counter artifacts was a massive downside that limited the amount of play it saw
It's even the most valuable chase card for Noble Victories
Maester Seymour Not only is the gameplan with Maester Seymour extremely straightforward, it also pairs extremely well with elf typal strategies