Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

When Festering Mummy dies, you may put a -1/-1 counter on target creature.

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.) When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.

When Ghoulraiser enters the battlefield, return a Zombie card at random from your graveyard to your hand.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Morph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Infernal Caretaker is turned face up, return all Zombie cards from all graveyards to their owners' hands.

When Shambling Goblin dies, target creature an opponent controls gets -1/-1 until end of turn.

Target player sacrifices a creature and loses 1 life.

Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn.

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

Return target creature card from your graveyard to your hand. If it's a Zombie card, draw a card.

Choose one — • Return target creature card from your graveyard to your hand. • Return two target Zombie cards from your graveyard to your hand.