Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Hungry Ghoul

{1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

Bite Down

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Macabre Waltz

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Cackling Prowler

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
Morbid — At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on this creature.

Sire of Seven Deaths

First strike, vigilance
Menace, trample
Reach, lifelink
Ward—Pay 7 life.

Void Beckoner

Deathtouch
Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.)
When you cycle Void Beckoner, put a deathtouch counter on target creature you control.

Ambush Wolf

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, exile up to one target card from a graveyard.

Quakestrider Ceratops

Mild-Mannered Librarian

{3}{G}: This creature becomes a Werewolf. Put two +1/+1 counters on it and you draw a card. Activate only once.

Reassembling Skeleton

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Painful Quandary

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Treetop Snarespinner

Reach (This creature can block creatures with flying.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
{2}{G}: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

Cleopatra, Exiled Pharaoh

Allies — At the beginning of your end step, put a +1/+1 counter on each of up to two other target legendary creatures.
Betrayal — Whenever a legendary creature with counters on it dies, draw a card for each counter on it. You lose 2 life.