This is pretty much the shape of things for now, but Sanderson seems confident that the collaboration will come to fruition in the future: I do think its probably something that will happen, assuming MTG doesnt fall apart. Interestingly, Sanderson has specific expectations for what hed want out of a Cosmere Universes Beyond, too
#2 Sapphire/Steel Sapphire/Steel is Amethyst/Steels main competitor to the top spot in the Lorcana meta right now, with some pretty insane cards that are capable of putting a ton of pressure on your opponent
Wear & tear that stems from poor quality should never come into play
If you get this Pokemon to full power before your opponent does, it can even one-shot itself during a mirror match
As near as I can tell through some Google searching, the Chaos Deck variant was being talked about online as early as 2004, though I suspect it was played offline much earlier than that