msem-instigator

At the beginning of your end step, put a -1/-1 counter on each creature you control.
[+1]: Create two 2/2 black Zombie creature tokens.
[0]: Whenever a creature dies this turn, you draw a card and you lose 1 life.
[–4]: Target opponent gets an emblem with “At the beginning of your end step, put a -1/-1 counter on each creature you control.”

When Limbhacker Blade enters, each opponent discards a card.
Equipped creature gets +2/+0.
Equip {2}

When Limited Mortality enters, return up to one target creature card from your graveyard to your hand.
{1}{B}, Sacrifice Limited Mortality: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

Target player discards a card. If they can't, you draw a card and they lose 2 life.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Search your library for a card, then shuffle and reveal that card. Any opponent may have you put it into your graveyard. If a player does, draw a card. Otherwise, put it into your hand.

Living Broadcast can't block.
Whenever you cast a spell from exile, you may return Living Broadcast from your graveyard to your hand.

{2}{B}, Exile Lizhao's Soulblade from your graveyard: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

Flying, lifelink
Other Demons you control have flying and lifelink.
If you would create a creature token, you may instead pay 5 life and create a 5/5 black Demon creature token.

Flying
When Lizhao, Lord of the Yaogu enters, you may put target creature card from an opponent's graveyard onto the battlefield tapped and under your control.
When Lizhao dies, each opponent sacrifices a creature.
Revive {3}{B}{B} ({3}{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.)

Menace
When Lone Zombie and at least two other creatures attack, transform Lone Zombie.

Return target creature card from your graveyard to your hand. If you control a Spirit, draw a card.

Enchant opponent
At the beginning of enchanted player's upkeep, exile up to two target cards from that player's graveyard. If two cards that share a type are exiled this way, you draw a card and you lose 1 life.

Target player sacrifices a creature. You gain life equal to that creature's toughness.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards.

You lose 2 life. Look at the top two cards of your library. You may mill two cards. Draw two cards, then mill two cards if you didn't mill before.

Choose one —
• Return target creature card from your graveyard to your hand.
• Return two target creature cards with total mana value 4 or less from your graveyard to your hand.

Lifelink
Whenever an opponent searches one or more libraries, they lose 2 life.
Attain {4}{B} ({4}{B}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Menace
When Lord of Decay enters, put a -1/-1 counter on it and each creature you don't control.

Flying, trample
When Lord of Sacrilege enters, each opponent loses 3 life, discards a card, then sacrifices a nonland permanent. If you control three or more Demons and/or Warlocks, instead each opponent loses 6 life, discards two cards, then sacrifices two nonland permanents.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Lord of Swarms enters or dies, target creature gets -2/-2 until end of turn.

Lost Explorer has first strike as long as it's attacking.
{1}{B}, Exile Lost Explorer from your graveyard: Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Choose two —
• You gain 3 life.
• Lost Memories deals 3 damage to any target.
• Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Target player discards two cards.

This spell costs {1} less to cast if you've cast another spell this turn.
Destroy target creature.