Secrets of Strixhaven Becomes #1 Most Successful In-Universe MTG Set | tcgmode

Numbers are in, secret's out: [Secrets of Strixhaven is Magic's best-selling in-universe set](https://draftsim.com/mtg-sos-best-performing-set/) of all time, a title it's taking directly from Lorwyn Eclipsed just 3 months ago, which in turn stole the crown from Tarkir: Dragonstorm last year. Uni...