Kill! Destroy!

Destroy target nonblack creature.
Gotcha — If an opponent says "kill" or "destroy," you may say "Gotcha!" When you do, return Kill! Destroy! from your graveyard to your hand.

Dark Ritual

The Fallen Apart

The Fallen Apart enters with two arms and two legs.
Whenever damage is dealt to The Fallen Apart, remove an arm or a leg from it.
The Fallen Apart can't attack if it has no legs and can't block if it has no arms.

Zombie Fanboy

As Zombie Fanboy enters, choose an artist.
Whenever a permanent with art by the chosen artist is put into a graveyard, put two +1/+1 counters on Zombie Fanboy.

Over My Dead Bodies

Creature cards in graveyards can attack and block as though they were on the battlefield, can block or be blocked only by creature cards in graveyards, are Zombies in addition to their other types, and have undeathtouch. (If they would deal damage to a creature card, exile that creature card instead.)
Creature cards in your graveyard have haste.

Sol Ring

Extremely Slow Zombie

Last strike (This creature deals combat damage after creatures without last strike.)

Deadhead

{0}: Return Deadhead from your graveyard to the battlefield. Activate only if an opponent isn't touching their hand (of cards).

Hoisted Hireling

Hoisted Hireling has flying as long as it's being held above the battlefield.

Corrupted Conviction

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Cemetery Reaper

Other Zombie creatures you control get +1/+1.
{2}{B}, {T}: Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.