Deathtouch
Other Zombie creatures you control get +1/+1.
Whenever another Zombie you control dies, target opponent loses 1 life.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
: Add or to your mana pool.

Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands.
: Add or to your mana pool.

Target creature gets -1/-1 until end of turn.
Morbid - that creature gets -13/-13 instead if a creature died this turn.

Target player sacrifices a creature and loses 1 life.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it gains "When this creature becomes the target of a spell or ability, sacrifice it."

Gravecrawler can't block.
You may cast Gravecrawler from you graveyard as long as you control a Zombie.

Geralf's Messenger enters the battlefield tapped.
When Geralf's Messenger enters the battlefield, target opponent loses 2 life.
Undying

Diregraf Ghoul enters the battlefield tapped.

Living Weapon
Equipped creature gets +0/+1 and has "Sacrifice this creature: This creature deals 1 damage to target creature or player."
Equip

Trample
Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

Sacrifice Fume Spitter : Put a -1/-1 counter on target creature.

Equipped creature gets +2/+2 and has protection from red and from white.
Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in his or her hand and you gain 1 life for each card in your hand.
Equip

, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard.
When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Exile target creature and all other creatures with the same name as that creature.
Flashback

( may be paid for with either or 2 life.)
Corrosive Gale deals X damage to each creature with flying.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

( can be paid with either or 2 life.)
Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles his or her library.

Destroy target nonartifact creature.

( can be paid with either or 2 life.)
Target creature gets -5/-5 until end of turn.

Other Zombie creatures you control get +1/+1.
, : Exile target creature card from a graveyard. Put a 2/2 black Zombie creature token onto the battlefield.

: Put a charge counter on Ratchet Bomb.
, Sacrifice Ratchet Bomb : Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Ratchet Bomb.