
Dictate of Erebos | Enchantment | | Flash
Whenever a creature you control dies, each opponent sacrifices a creature of their choice. | Michael C. Hayes

Lifebane Zombie | Creature | Zombie Warrior | Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
When Lifebane Zombie enters, target opponent reveals their hand. You choose a green or white creature card from it and exile that card. | Min Yum

Painful Truths | Sorcery | | Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell. | Winona Nelson

Sidisi, Undead Vizier | Legendary Creature | Zombie Snake | Deathtouch
Exploit (When this creature enters, you may sacrifice a creature.)
When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle. | Min Yum

Soulflayer | Creature | Demon | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance. | Xavier Ribeiro

Tasigur, the Golden Fang | Legendary Creature | Human Shaman | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
{2}{G/U}{G/U}: Mill two cards, then return a nonland card of an opponent's choice from your graveyard to your hand. | Chris Rahn

Whip of Erebos | Legendary Enchantment Artifact | | Creatures you control have lifelink.
{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery. | Yeong-Hao Han

Xathrid Necromancer | Creature | Human Wizard | Whenever Xathrid Necromancer or another Human creature you control dies, create a tapped 2/2 black Zombie creature token. | Maciej Kuciara

Dark Petition | Sorcery | | Search your library for a card, put that card into your hand, then shuffle.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}. | Igor Kieryluk

Ashen Rider | Creature | Archon | Flying
When Ashen Rider enters or dies, exile target permanent. | Chris Rahn

Notion Thief | Creature | Human Rogue | Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card. | Clint Cearley

Sire of Insanity | Creature | Demon | At the beginning of each end step, each player discards their hand. | Joshua Raphael

Rakdos's Return | Sorcery | | Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards. | Daarken

Lotleth Troll | Creature | Zombie Troll | Trample
Discard a creature card: Put a +1/+1 counter on Lotleth Troll.
{B}: Regenerate Lotleth Troll. | Vincent Proce

Jarad's Orders | Sorcery | | Search your library for up to two creature cards and reveal them. Put one into your hand and the other into your graveyard. Then shuffle. | Svetlin Velinov

Chromanticore | Enchantment Creature | Manticore | Bestow {2}{W}{U}{B}{R}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying, first strike, vigilance, trample, lifelink
Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink. | Min Yum

Hissing Quagmire | Land | | Hissing Quagmire enters tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Hissing Quagmire becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land. | Cliff Childs

Shambling Vent | Land | | Shambling Vent enters tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land. | Jung Park