msem-instigator

Tithe (As you cast this spell, you may tap three artifacts and/or creatures you control.)
Return target creature or planeswalker card from your graveyard to your hand. If this spell's tithe was paid, return that card to the battlefield instead.

Return target creature card from your graveyard to your hand.
Draw a card.

Target player sacrifices a creature. Then you gain 3 life if that player doesn't control any creatures.

Target player discards two cards.
Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose target player. Until end of turn, if a spell or ability that player controls would cause them to draw a card, each of their opponents draws a card instead.

Choose one —
• Target player sacrifices a creature.
• Target player sacrifices a planeswalker.
• Target player sacrifices an enchantment.

Return up to one target creature card from your graveyard to your hand.
Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Exile target nonblack creature. Its controller exiles a card at random from their hand.

Rend deals 1 damage to any target and you gain 1 life.
Whenever you cast a black spell, you may pay {1} and exile Rend from your graveyard. If you do, destroy target creature or planeswalker if it was dealt damage this turn.

Destroy target creature or planeswalker. You gain 1 life and that permanent's controller loses 1 life.

Choose four nonland card names. Target opponent reveals their hand and discards all cards with the chosen names.

Return target creature card from your graveyard to the battlefield. It has base power and toughness 1/1 and is a Construct in addition to its other types. (This effect lasts indefinitely.)
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.”)

Return target creature or planeswalker card from your graveyard to the battlefield.
Flashback—{1}{B}{B}, Sacrifice a creature or a planeswalker. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

At the beginning of your end step, put a creature card that's exiled with this enchantment onto the battlefield under your control. That creature becomes a 1/1 Spirit creature in addition to its other types and gains flying and “If this creature would die, put it on the bottom of its owner's library instead.”

Target opponent chooses a creature card in your graveyard. Return the chosen card from your graveyard to your hand.

Trial 4 (As you cast this spell, an opponent of your choice may pay 4 life. If they don't, they fail the trial.)
Put target creature card from a graveyard onto the battlefield under your control. That creature gains haste. Sacrifice it at the beginning of the next end step unless the trial was failed.

Primal {1}{W}{W} (During your turn, you may cast this spell for {1}{W}{W} instead of playing a land.)
Return target creature card from your graveyard to the battlefield.

Destroy target creature. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Whenever a nontoken creature you control dies, you may pay that creature's mana cost. If you do, search your library for a card and put it into your hand, then shuffle.

Codex — Ser Wayver, the Broken Hour; Suzume Oshiruko; Aguri, Shadow of Doubt; Sukhar, Consort to the Dark; Chi Lee of the Underworld. (As this enters, conjure its contents into a shuffled face-up additional library.)
You may spend mana as though it were mana of any color to cast this codex's contents.

Foretell {1}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Choose one. If this spell was foretold, you may choose both instead —
• Each opponent reveals their hand. You choose a noncreature, nonland card revealed this way. Exile that card.
• Each opponent sacrifices a creature or planeswalker.

As Rhythm of Kaneh enters, choose Andazir or Mahara.
• Andazir — Whenever a creature you control attacks, defending player discards a card.
• Mahara — Whenever a nontoken creature you control dies, amass Soldiers X, where X is that creature's power.

Target creature gets -2/-2 until end of turn.
{3}{B}, Exile Rift Splicing from your graveyard: Aetherize target creature card with mana value 3 or less in a graveyard. Activate only as a sorcery. (To aetherize, create a token that's a copy of it, then exile that token.)

Scry 1, then you draw a card and you lose 1 life.

Destroy target creature. Its controller loses 1 life.