This card is difficult to find in NM condition, so expect to pay at least $90 for it, though that can rise to over $100 if the condition is particularly good
It's legal in most non-Standard formats, so load up your self-discard effects around it
There isn't really much more to add here, the numbers of this card in my lists will probably wax and wane with the percentage of high-velocity Aggro decks in the meta
But there are still cases where Leyline of the Void or Stony Silence turn off 75% of an opponents deck, or sometimes 100% before sideboards
Do proxies need to be clearly marked
It's possible that, as brackets continue to increase in adoption, maybe this would be an acceptable Game Changer, though, even then, Upgraded decks don't want mass land denial around