If anything, its an excuse to play a card that never quite makes the cut. In essence, if youre trying to lower the potency of your deck to better play with your playgroup, look at your recursion package and what youre getting back
Contents 1x Foil Showcase C/U/R/M or Borderless U/R/M 1x Foil Showcase C/U, or Borderless U 1x Nonfoil Showcase R/M or Borderless R/M (including Planeswalkers) 2x Nonfoil Showcase C/U, Or Borderless Uncommon 2x Foil Rare or Mythic (Including Standard Frame or Extended Art Frame) 1x Nonfoil Extended Art Rare or Mythic 1x Foil Showcase Basic Land 2x Foil Uncommon 4x Foil Common or Land (Non-Showcase) 1x Foil Token C: Common U:Uncommon R:Rare M:Mythic Rare Our out-of-print booster packs are sourced worldwide
The closest I could find to anybody doing it in the mainstream recently was Artifact (I know, I know, I'm stretching the word "mainstream" here) with a slightly bastardised version of the concept handled via Steam's marketplace, and even then it's still an online auction house, not just doing fun swaps with your pals and saying "well I've got this, what've you got?", like exchanging the best parts of your packed lunches at school
Or as @pikachutcg said, it could just be some other benign explanation
