Giving a creature +2/+2, vigilance and haste all for no mana is just very intoxicatingly powerful
Black perpetuating black, which fits really well with blacks all for me philosophy
Check the shrink wrap for tight, uniform factory sealing with clean heat seals and no bubbles or wrinkles
There's a very minor Card Draw theme with stuff like Syr Elenora, the Discerning and Vodalian Wave-Knight for spice, along with a bit of reanimation set-up like Exsanguinator Cavalry to help discard Knights and Haakon, Stromgald Scourge to get them back, but it's minor enough to be mostly just added resiliency to the deck, not a specific goal
With each month, this list will probably shift and change, but for now, these are the top ten best decks in Yu-Gi-Oh