According to a CNBC article, published in mid-November last year, MTG players now feel like they cant keep up with new releases and are instead playing a different version of the card game where older cards can be used. A couple of weeks later, Hasbro refuted said criticisms
7/6 Legality Vintage Legacy Premodern Modern Pioneer Standard Duel Commander Commander Multi Historic Alchemy Other Sets Choose (4) Final Fantasy 1 Final Fantasy 2 Final Fantasy 3 Final Fantasy 4 See all prints of this cards CLICK ON THE CARD TO SEE THE OTHER SIDE
Pawn shops Another option to consider is pawn shops
The month before, a man walked out of a Worcester manga shop carrying a binder packed with hundreds of cards
Misspelling the attack names or any other words in the descriptions
If you're curious to know which Commander Masters cards are the ones worth keeping (or the ones worth selling, if you're of the more mercantile mindset), then this list will provide you with an easy point of reference