msem-instigator

Mill five cards, then you may exile any number of cards from your graveyard. Create an X/X black Horror creature token with menace, where X is the number of cards exiled in this way. (To mill five cards, put five cards from the top of your library into your graveyard.)

Enchant creature
Enchanted creature gets +1/+1 and has lifelink.

Enchant creature
When Selfish Epiphany enters, search your library for a card and put that card into your hand. Then shuffle.
Enchanted creature has indestructible and can't be sacrificed.

Destroy target creature. Trigger a death knell of a permanent you control.

Target player discards two cards. If a creature you control died this turn, that player loses 2 life.

Target creature gets -2/-2 until end of turn. When that creature dies this turn, its controller loses 2 life or gets a poison counter.

[+1]: Remove all counters from target permanent.
[+1]: Each opponent discards a card.
[–2]: Exile target creature or planeswalker card from your graveyard with mana value less than or equal to the number of lands you control. If you do, create a token that's a copy of it.
[–7]: Each opponent gets an emblem with “At the beginning of your upkeep, you lose 7 life unless you sacrifice seven permanents.”

[+1]: You may sacrifice a permanent. If you do, each opponent sacrifices a permanent that shares a type with it.
[–2]: Put target creature card in a graveyard onto the battlefield under your control.
[–8]: You control target player during their next turn. During that turn, that player may cast spells by paying life equal to their mana value rather than pay their mana cost. After that turn, that player takes an extra turn.

When Seven Deadly Sins has seven or more sin counters on it, sacrifice it.
{B}{B}, Put a sin counter on Seven Deadly Sins: Destroy target creature. This ability costs {1} more to activate for each sin counter on Seven Deadly Sins.

Destroy target token.

For each player, exile target creature or planeswalker they control.

As an additional cost to cast this spell, discard a card or pay {4}.
Destroy target creature.

Destroy target creature. If an opponent lost life this turn, that creature's controller mills five cards.

Destroy target creature or planeswalker. If you controlled a black legendary creature or planeswalker as you cast this spell, that permanent's controller loses X life and you gain X life, where X is that permanent's mana value.

Shadow Ball deals 2 damage to target creature or planeswalker and 2 damage to its controller. You gain 2 life.

Enchant creature
When Shadow Infestation enters, enchanted creature's controller loses 2 life.
Enchanted creature gets -1/-1 and can't block.

All creatures get -3/-3 until end of turn.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, if a creature would die this turn, exile it instead.

Target creature phases out. Its controller sacrifices a creature. (Treat the phased out creature and anything attached to it as though they don't exist until its controller's next turn.)

Draw two cards. You lose 2 life. Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Target player discards a card.
Monument {1}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on it for each of its colors.

If a spell or ability would cause a player to discard one or more cards, that player discards that many cards at random instead.
Whenever a player discards a card, that player loses 2 life.

Enchant creature
Enchanted creature gets +1/+0 and has deathtouch.
When Sickening Madness is put into a graveyard from the battlefield, draw a card.

Target player draws two cards and loses 2 life.

Enchant opponent
At the beginning of your end step, if you've gained 3 or more life this turn, choose one. If you've gained 7 or more life this turn choose any number instead.
• Enchanted player sacrifices a creature.
• Enchanted player discards two cards.
• Enchanted player loses 4 life.