Skeleton

Menace (This creature can't be blocked except by two or more creatures.)

Army of the Damned

Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Zombie Knight

Wight

Wight enters tapped.
Life Drain — Whenever a creature dealt damage by Wight this turn dies, create a tapped 2/2 black Zombie creature token and exile that card.

Refreshing Elixir

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Refreshing Elixir is put into a graveyard from anywhere, each player gains 5 life.

Proven Combatant

Vecna

Vitality Salve

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Vitality Salve is put into a graveyard from anywhere, each player returns a creature card from their graveyard to the battlefield.

Dogged Pursuit

At the beginning of your end step, each opponent loses 1 life and you gain 1 life.

Zombie

Demon

Josu Vess, Lich Knight

Kicker {5}{B} (You may pay an additional {5}{B} as you cast this spell.)
Menace
When Josu Vess, Lich Knight enters, if it was kicked, create eight 2/2 black Zombie Knight creature tokens with menace.

Dreadhorde Invasion

At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.

Massacre Totem

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Massacre Totem is put into a graveyard from anywhere, put the top seven cards of the Horde's library into its graveyard.

Plundered Statue

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Plundered Statue is put into a graveyard from anywhere, each player draws a card.

Moan of the Unhallowed

Create two 2/2 black Zombie creature tokens.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Bad Moon

Smallpox

Each player loses 1 life, discards a card, sacrifices a creature of their choice, then sacrifices a land of their choice.

Crack the Earth

Each player sacrifices a permanent of their choice.

Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)

Grave Titan

Deathtouch
Whenever Grave Titan enters or attacks, create two 2/2 black Zombie creature tokens.

Bone Dragon

Flying
{3}{B}{B}, Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped.

Spirit

Innocent Blood

Each player sacrifices a creature of their choice.

Adorned Pouncer

Double strike
Eternalize {3}{W}{W} ({3}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)