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It might be going some sort of Upheaval route with a bit more ramp so as to lock people out of games

Prison/stax decks stop your opponent from playing cards and attacking you while gaining incremental advantages over time, be it with lifegain, Treasure tokens, or card draw

International or sealed copies can experience periods of being out of stock at some specialist sellers

I personally do both, because I enjoy the excitement that comes with opening up packs and pulling cards, but I also know that sometimes, given the odds of pulling some of the cards I want, its sometimes best to just pick them up at my local game store or on sites like TCGplayer