msem-instigator

Flying
When Enigmatic Herald dies, amass Soldiers 2. (Put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

Converge — Each creature gets -X/-X until end of turn, where X is the number of colors of mana spent to cast Enjoy the Silence.

This spell costs {2} more to cast for each target beyond the first.
Choose one or more —
• Remove all counters from target non-Gorgon creature. If it has toughness 2 or less, destroy it.
• Return target creature or planeswalker card from your graveyard to your hand. You gain 4 life.
• Exile target player's graveyard.

Enchant opponent
At the beginning of enchanted player's upkeep, they choose one that hasn't been chosen yet —
• They discard three cards.
• They sacrifice three nonland permanents.
• You transform Enrapturing Grudge.
If Enrapturing Grudge would be put into a graveyard from anywhere, exile it instead.

Exile up to three target cards from a single graveyard. Create a tapped 2/2 colorless Spirit creature token.

Whenever another creature dies, upgrade Entitled Griefer. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Deathtouch
• Lifelink

If an effect would cause an opponent to discard one or more cards while they have fewer than that many cards in hand, they lose life equal to three times the difference instead of discarding the excess cards.

Choose X. You may choose the same mode more than once.
• Each opponent discards a card.
• Return target creature card from your graveyard to your hand.
• Each opponent loses 1 life and you gain 1 life.

You draw X cards and you lose X life, where X is the number of different names among land cards in your graveyard.

Exile target creature and all other creatures with the same name as that creature. Search its controller's graveyard, hand and library for any number of cards with the same name as that creature and exile them. Then that player shuffles. Exile Erase from Existence.

Enchant creature you control
When Erebos's Benefaction enters, scry 2.
Enchanted creature gets +2/+2 and has menace.

Whenever Erebos's Whipslang or another enchantment you control enters, each opponent loses 1 life and you gain 1 life.

Indestructible
As long as your devotion to black is less than five, Erebos isn't a creature.
Other creatures you control dying causes abilities of that creature to trigger as though it entered.
{2}{B}: Each opponent loses 1 life. You gain life equal to the life lost this way.

Until end of turn, you may cast target creature card in your graveyard without paying its mana cost. When it enters this turn, it gains haste and menace. Exile it at the beginning of the next end step.

Lionize {2}{B} ({2}{B}, Exile this card from your hand: Put a +1/+1 counter on target creature and it gains the following ability until end of turn. You may cast this card on a later turn from exile.)
Lifelink

At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

If a spell or ability would cause its controller to draw a card this turn, that player discards a card instead.
If a player would gain life this turn, that player loses that much life instead.

Trial 4 (As you cast this spell, an opponent of your choice may pay 4 life. If they don't, they fail the trial.)
You draw two cards and you lose 2 life. Target player discards two cards if they failed the trial.

Eternal Duneborn enters tapped.
Foresight — Whenever you draw your second card each turn, return Eternal Duneborn from your graveyard to your hand.

All creatures get -2/-1.

Lifelink
Revive {5}{B}{B} ({5}{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.)

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards. Create a tapped Treasure token.

{B}, {T}: Exile target creature card from a graveyard. You gain 2 life.
{1}{B}, {T}: Mill three cards. You lose 2 life.
{3}{B}{B}, {T}, Sacrifice Ethics and Reanimation: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Menace
Evanescent Soulcatcher's power and toughness are each equal to the number of cards in exile.
{2}, Exile a card from your hand: Regenerate Evanescent Soulcatcher.

At the beginning of your upkeep, draw a card and reveal it. You lose life equal to that card's mana value unless you control an Eve planeswalker.