msem-instigator

Whenever you cast a noncreature spell, create a 1/1 colorless Construct artifact creature token.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
When Vedalken Reshaper enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Target player mills two cards.
Draw a card.
Coalesce {6}{U} (You may cast this from your graveyard for {6}{U}. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Draw two cards, then discard two cards. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Wanderlust — This spell has flash as long as you control four or more differently named lands.
Draw four cards.

As an additional cost to cast this spell, exile two permanent cards from your graveyard.
You may cast Adiran Survivors from your graveyard.

Create a 5/3 black Horror creature token.
Flashback {1}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Chigau, the Red Market enters the battlefield, draw a card, then choose a creature card name.
Once each turn, you may cast a creature spell with the chosen name from your graveyard.

Lifelink
Whenever you sacrifice a nonland permanent, you may pay {1}. If you do, you draw a card and you lose 1 life.

When Dark Bargain enters the battlefield, you draw a card and you lose 1 life.
{B}, Sacrifice Dark Bargain: You draw a card and you lose 1 life.

{B}, {T}, Pay 1 life, Discard a card, Sacrifice Dark Rite Cultist and another creature: Create a 5/5 black Demon creature token with flying.

Enchant opponent
At the beginning of enchanted player's upkeep, you create a 3/2 green Crocodile creature token with trample if enchanted player has 10 or less life. Otherwise, they lose 2 life.

When Fatethief dies, put the bottom card of your library into your hand.
Revive {2}{B}{B} ({2}{B}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever a nontoken creature you control dies, create a 1/1 black Worm creature token.
Sacrifice Fertile Grave: Create a 1/1 black Worm creature token.

Target creature gets -1/-1 until end of turn. If that creature is tapped, it gets -3/-3 until end of turn instead.

As an additional cost to cast this spell, exile two cards from your graveyard with the same mana value.
Search your library for a card with the same mana value as the exiled cards, reveal it, put it into your hand, then shuffle.

Menace
Jara Champion can only attack or block alone.
Whenever one or more players lose life for the first time each turn, put a +1/+1 counter on Jara Champion.

Choose one —
• Exile target player's graveyard.
• Target player sacrifices a creature.

Deathtouch
Sacrifice a creature: Target player mills two cards.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 1 life.
Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Whenever Ravaging Tyrant enters the battlefield or attacks, each opponent loses 3 life, discards a card, and sacrifices a creature or planeswalker.

When Scion of Pestilence enters the battlefield, create a black enchantment token named Blight with “At the beginning of your upkeep, you lose 1 life.”

At the beginning of your upkeep, you lose 1 life.

Shadowband Consul enters the battlefield tapped.
{B}, Pay 2 life: Return Shadowband Consul from your graveyard to the battlefield. Activate only if an opponent lost life this turn.

Return target creature card from your graveyard to the battlefield.
Fabled {2}{B} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)