Watch all of IamActuallyLvL1's content! He's being too modest here - Justin is the most prominent vintage content creator out there and a great ambassador for the format.
ancestral -> snap -> ancestral is a hell of a drug...
Seriously though for me, it's playing Bazaar decks. There's nothing like it in any other format. The ability to play vintage is honestly one of the things I love most about MTGO.