It sold for a shocking $78,000
If you believe price manipulation through highly-marketable sales is a "conspiracy theory", I'll direct you to a video by Karl Jobst on the recent spike in video game sales
Your opponent is down one card more than you are, so you've "gained" one card
The Vanguard format came out back in 1997 (a lot of new things that year, apparently) and introduced a completely new way to play Magic and players complained about Magic dying back then, too
Right now there's only three available, featuring Pikachu, Mewtwo and Charizard, but there'll likely be more added in future updates
If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owners library instead