Death Baron

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.

Graveyard Marshal

{2}{B}, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token.

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Whenever Infectious Horror attacks, each opponent loses 2 life.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

When Stitcher's Supplier enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

When Fleshbag Marauder enters, each player sacrifices a creature of their choice.

Other Zombies you control get +1/+1.
{1}{B}, {T}: All Zombies gain menace until end of turn.

When Tattered Mummy dies, each opponent loses 2 life.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.

When Filigree Familiar enters, you gain 2 life.
When Filigree Familiar dies, draw a card.

Menace
When Rot Hulk enters, return up to X target Zombie cards from your graveyard to the battlefield, where X is the number of opponents you have.

All creatures get -4/-4 until end of turn.

As an additional cost to cast this spell, sacrifice a creature.
Draw three cards.

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Each opponent loses 1 life for each creature you control.

Destroy target non-Zombie creature. It can't be regenerated. Return up to one target Zombie card from your graveyard to your hand.

Zombies you control get +1/+1.
When Liliana's Mastery enters, create two 2/2 black Zombie creature tokens.

Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.

{"ops":[{"insert":"This is the preconstructed Black deck from the Game Night set.\n"}]}