None more recent than Wizards of the Coast printing non-legal versions of reserved list cards in their 30th-anniversary collector products
I don't know that a modern R&D would have emergency banned right after a new card first saw daylight, but there is no denying this deck was unbelievably brutal as well as being the quickest kill in the formatTinker into Memory Jar into either Yawgmoths Will or a second Memory Jar, for a Megrim kill at end of turn
Emrakul, the Promised End nearly doubled in price to $75, Void Winnower crept up 14% to $11, and Ulamog, the Infinite Gyre gained 12% to just under $30
Sacrificing Octo Opus has no effect on Contortionist
In theory, there could be decks that don't want Glasspool Mimic (ones that have almost no creatures), but even with just a handful of creatures worth copying in your deck, it's significantly better than the Island it will likely replace
For those keeping track, that makes two iconic Scroll cards in Tempest