Maddening Cacophony requires more mana, while Fleet Swallower requires you be able to attack
The other day, as I was working on an Ashnod, Flesh Mechanist deck for EDH, I wanted a Culling the Weak, but my three copies already had homes in other decks
CGC Initially known for easing into 9.5 grades, CGC has shifted to a stricter grading model where 10s are uncommon and designated as 10 Pristine or Gem Mint 10. This transition is gaining traction, especially among comic book and trading card collectors alike
Cards with whitening, missing paint, or compromised structural integrity should be skipped
The phenomenon of decks that only have one copy is a bizarre side effect of a world where color is so cheap that you can play this, Wrath of God, Cloudthresher, Jund Charm, and Rhox War Monk without even worrying that this might be pushing it