You Are Already Dead

Destroy target creature that was dealt damage this turn.
Draw a card.

Yargle, Glutton of Urborg

Fleshbag Marauder

When Fleshbag Marauder enters, each player sacrifices a creature of their choice.

Murder

Dockside Chef

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Bone Shards

As an additional cost to cast this spell, sacrifice a creature or discard a card.
Destroy target creature or planeswalker.

Mark of the Vampire

Enchant creature
Enchanted creature gets +2/+2 and has lifelink.

Grim Strider

Grim Strider gets -1/-1 for each card in your hand.

Liesa, Forgotten Archangel

Flying, lifelink
Whenever another nontoken creature you control dies, return that card to its owner's hand at the beginning of the next end step.
If a creature an opponent controls would die, exile it instead.

Fierce Retribution

Cleave {5}{W} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Destroy target [attacking] creature.

Gloom Sower

Whenever Gloom Sower becomes blocked by a creature, that creature's controller loses 2 life and you gain 2 life.

Dark Bargain

Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard. Dark Bargain deals 2 damage to you.

Kunoros, Hound of Athreos

Vigilance, menace, lifelink
Creature cards in graveyards can't enter the battlefield.
Players can't cast spells from graveyards.