Squall, SeeD Mercenary Squall, SeeD Mercenary is in excellent knight colors and has a powerful mini-Sun Titan effect that works perfectly with Orzhov cards
Once a staple with two in every set, they were missing from the Winterspell line-up
each 100-card deck also comes with a 2-card Collector Booster Sample Pack, 1 Foil-Etched Display Commander, 10 double-sided tokens, 1 life tracker, and 1 deck box Table of Contents show What Are the Murders At Karlov Manor Commander Decks
Gyome, Master Chef is a nice inclusion as a sought-after reprint, as is Nether Traitor, and there are essentially a bunch of great cards to slot into any deck with access to green, black, or both
Many common graveyard hate pieces are artifacts or enchantments, so various Nature's Claim or Abrupt Decay effects answer them