In another take on a classic sci-fi twist, the wizards lost control of the slivers, who are still at large in the world of Dominaria, waiting to be used by another villain, or perhaps biding their time until a new Sliver Queen rises (but dont expect to actually see that card, as its in the dreaded reserved list of MTG cards that will never be reprinted again to preserve their market value.) Excluding Commander Masters and Time Spiral Remastered, the latest appearance of slivers in an MTG set dates back to 2019s Modern Horizons
Foil-etched cards first debuted in Commander Legends last fall, and this new treatment is back for Mystical Archive
He was working on some designs for Scourge (he and Lead Designer Brian Tinsman were the whole design team), and he wanted my input
Clear a Path: There are actually some decks with a lot of defenders
Standard could use some efficient, universal graveyard hate, which is a good start