Carnassid

Mulch

Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Shadow (This creature can block or be blocked by only creatures with shadow.)
{B}{B}, Sacrifice Dauthi Jackal: Destroy target blocking creature.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Horror can't be blocked by white creatures.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

First strike
At the beginning of your upkeep, if your opponents control no creatures, Kezzerdrix deals 4 damage to you.

{1}{B}, Sacrifice Thrull Surgeon: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Destroy target nonblack creature. It can't be regenerated.

Return two target creature cards from your graveyard to your hand.

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

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

{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Untap target creature you don't control. That creature blocks this turn if able.
Draw a card.

Heartwood Dryad can block creatures with shadow as though Heartwood Dryad had shadow.