All Slivers have "Sacrifice this permanent: Add {B}{B}."

{1}: Add {B}.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

When Carrier Thrall dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Diregraf Colossus enters the battlefield with a +1/+1 counter on it for each Zombie card in your graveyard.

Whenever you cast a Zombie spell, create a tapped 2/2 black Zombie creature token.

{4}: Return target creature card from a graveyard to its owner's hand. Any player may activate this ability but only as a sorcery.

Defender

When Gleaming Barrier dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Creature spells you cast cost {2} less to cast.

Creatures you control get -1/-1.

Whenever another creature enters the battlefield under your control, you gain 1 life.

{1}: Add {B}. If this ability has been activated four or more times this turn, sacrifice Initiates of the Ebon Hand at the beginning of the next end step.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

{1}, {T}: Add {W}{B}.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Menace

When Plague Belcher enters the battlefield, put two -1/-1 counters on target creature you control.

Whenever another Zombie you control dies, each opponent loses 1 life.

Imprint -- When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.

Spells you cast that share a card type with the exiled card cost {2} less to cast.

Your opponents can't cast spells this turn.

Search your library for an Equipment card, reveal that card, put it into your hand, then shuffle.

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

{1}{W}, {T}: You may put an Equipment card from your hand onto the battlefield.

{B}, Discard a creature card: Return target creature card from your graveyard to your hand.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.