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
A card like Yeva, Nature's Herald or Vedalken Orrery can let you dump your hand out across your opponents turns and play entirely at instant speed
Scratches are mostly important for Foil cards as the Foil surface is much more sensitive to scratches
The mono-Black four-drop Starving Revenant is first with an ETB to surveil 2 and then you draw them and lose 3 life each one if they were put on your library
The deck deals giant outbursts of damage, and if your opponent doesn't have removal or a blocker, they won't be in the game for long.
The Thanos-Copter The Thanos-Copter is excellent as a vehicle lord that turns all your vehicles into creatures, and the copter is ready to attack from the get go