Looming Shade

{B}: This creature gets +1/+1 until end of turn.

Lord of the Undead

Other Zombie creatures get +1/+1.
{1}{B}, {T}: Return target Zombie card from your graveyard to your hand.

Megrim

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

Mind Rot

Mindslicer

When this creature dies, each player discards their hand.

Mortivore

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Nantuko Husk

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Nekrataal

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Ninth Edition