This type of passive ability lets you play a draw-go style deck, with plenty of instant speed draw and counter spells to cast just before the end of your last opponent's turn or in response to a particularly annoying spell you don't want to resolve
People are playing tons of sideboard hate targeted at Wolf Run, namely Manabarbs and Zealous Conscripts, but I believe that a smart decklist and tight play can overcome it
ToineLay: It's cute though Xerneas [P] Geo Hunt Choose a card from your discard pile, show it to your opponent, and put it into your hand
I even did a deck tech with CMDR Decks here (its outdated, but most of the themes are there)
Similarly to Charizard, a Mewtwo card with the right art can instantly become a collectors item and highly desired due to the Pokemon being iconic
While the future may hold many peaks and valleys for this card, it's unlikely it can maintain such a high value in the short term, so be careful when purchasing