Crow of Dark Tidings

Flying
When this creature enters or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Strength of Night

Kicker {B} (You may pay an additional {B} as you cast this spell.)
Creatures you control get +1/+1 until end of turn. If this spell was kicked, Zombie creatures you control get an additional +2/+2 until end of turn.

Swamp

Ghoulraiser

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

Forest

Fleshbag Marauder

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

Ghoulcaller's Chant

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

Carrion Feeder

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

Lazotep Reaver

When Lazotep Reaver enters, 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.)

Rank Officer

When Rank Officer enters, you may discard a card. If you do, create a 2/2 black Zombie creature token.
{1}{B}, {T}, Exile a creature card from your graveyard: Each opponent loses 2 life.

Putrid Leech

Pay 2 life: Putrid Leech gets +2/+2 until end of turn. Activate only once each turn.