The Zeta Set

Instant

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

Tragic Slip

Innistrad Remastered

Creature — Spirit

Morbid — When this creature enters, if a creature died this turn, target creature gets -4/-4 until end of turn.

Morkrut Banshee

Demon

Creature — Human Cleric

Morbid — {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.

Skirsdag High Priest

Creature — Boar

Trample
Morbid — This creature enters with two +1/+1 counters on it if a creature died this turn.

Festerhide Boar

Foundations

Morbid — When this creature enters, target creature an opponent controls gets -1/-1 until end of turn. If a creature died this turn, that creature gets -13/-13 until end of turn instead.

Tragic Banshee

Creature — Dog

This creature doesn't untap during your untap step.
Morbid — At the beginning of each end step, if a creature died this turn, untap this creature.

Slumbering Cerberus

Creature — Hyena Rogue

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.

Cackling Prowler

Creature — Dinosaur

Morbid — At the beginning of your end step, if a creature died this turn, put two +1/+1 counters on target creature you control.

Needletooth Pack

Creature — Elf Warlock

Morbid — At the beginning of your end step, if a creature died this turn, choose one —
• You gain 2 life.
• You draw a card and you lose 1 life.

Wardens of the Cycle

Foundations Jumpstart

Creature — Demon

Flying
Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

Reaper from the Abyss

Zombie

Creature — Human Shaman

Morbid — When this creature enters, if a creature died this turn, create a 2/2 black Zombie creature token.

Wakedancer

Duskmourn: House of Horror Commander

Artifact

Morbid — At the beginning of each end step, if a creature died this turn, put a soul counter on this artifact.
{T}: Add X mana of any one color, where X is the number of soul counters on this artifact. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.

Séance Board

Enchantment

Morbid — At the beginning of each end step, if a creature died this turn, you may draw a card.

Deathreap Ritual

Modern Horizons 3

Spirit

When this enchantment enters, create a 1/1 white Spirit creature token with flying.
Morbid — At the beginning of your end step, if a creature died this turn, populate. (Create a token that's a copy of a creature token you control.)

Muster the Departed

Fallout

Enchantment — Aura

Morbid — This spell costs {3} less to cast if a creature died this turn.
Enchant creature
When this Aura enters, untap each creature you control. If it's your main phase, there is an additional combat phase after this phase.
Enchanted creature gets +2/+2 and has haste.

Grim Reaper's Sprint

Doctor Who

Creature — Alien Horror

Indestructible
Shadow (This creature can block or be blocked by only creatures with shadow.)
Morbid — At the beginning of each end step, if a creature died this turn, put a +1/+1 counter on this creature.

Vashta Nerada

Jumpstart 2022

Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Hunger of the Howlpack

Wolf

Create a 2/2 green Wolf creature token.
Morbid — Create three 2/2 green Wolf creature tokens instead if a creature died this turn.

Predator's Howl

Modern Horizons 2

Clue

Creature — Spider

Reach
Morbid — When this creature enters, if a creature died this turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Funnel-Web Recluse

Double Masters

Brimstone Volley deals 3 damage to any target.
Morbid — Brimstone Volley deals 5 damage instead if a creature died this turn.

Brimstone Volley

Modern Horizons

Creature — Devil

Haste
Morbid — {T}: This creature deals 1 damage to any target. Activate only if a creature died this turn.

Vengeful Devil

Eternal Masters

Morbid — When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy.
Destroy target nonblack creature.

Malicious Affliction

Dark Ascension

Sorcery

Target player discards two cards.
Morbid — If a creature died this turn, instead that player reveals their hand, you choose two cards from it, then that player discards those cards.

Gruesome Discovery

Creature — Wurm

Trample
Morbid — This creature enters with four +1/+1 counters on it if a creature died this turn.

Gravetiller Wurm

Creature — Bear

Morbid — When this creature enters, if a creature died this turn, put two +1/+1 counters on target creature.

Ulvenwald Bear

Innistrad

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Morbid — You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.

Caravan Vigil

Creature — Elemental

Morbid — When this creature enters, if a creature died this turn, you gain 5 life.

Hollowhenge Scavenger

Reach (This creature can block creatures with flying.)
Morbid — This creature enters with two +1/+1 counters on it if a creature died this turn.

Somberwald Spider

Creature — Human Scout

Morbid — When this creature enters, if a creature died this turn, return a creature card at random from your graveyard to your hand.