The Command Zone, a podcast dedicated to the EDH/Commander format, posted their exclusive spoiler to their YouTube channel and reddit
In Standard, Isolate is fine but not overly exciting
Also of note: up to this point, most Auras entering the battlefield didnt have an enters the battlefield effect unless it was directly tied to what the card was doing (Sleeping Potion taps the creature when it enters in order to keep it tapped) or just a normal cantrip, which many spells in the game were doing
We took the 30 Realms and Relics cards that were Box Toppers released earlier this year, gave them the double rainbow foil treatment, and serialize numbered each out of 100 (XXX/100)
now, weve got Lord of the Nazgl, the Witch-king of Angmar, the Witch-king, Bringer of Ruin, Ringwraiths, and, of course, the nine Nazgl