msem-instigator

Whenever Quick-Witted Slayer deals combat damage to a player, you draw a card and you lose 1 life.

Whenever an enchantment enters the battlefield under your control, create a 1/1 colorless Construct Actor creature token.
Token creatures you control have vigilance.

When Raging Restitched enters the battlefield, you may sacrifice a creature. When you do, Raging Restitched deals damage to target creature or planeswalker equal to the sacrificed creature's power.

Whenever another nontoken creature you control dies, you may return it to the battlefield tapped face down under its owner's control. It's a Forest land.
{4}{G}, Return a land you control to its owner's hand: Create a 3/3 green Wurm creature token. Activate only as a sorcery.

Flying
When Rahstahde Persecutor enters the battlefield, you may pay {2}{R}. When you do, it deals 4 damage to target creature.

Flash
When Rahstahde Truthseeker enters the battlefield, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Choose two —
• Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
• Each opponent loses life equal to the number of cards you've drawn this turn.
• Rahstahde's Command deals damage to each creature equal to the number of cards you've drawn this turn.
• Create a 1/1 white Soldier creature token for each card you've drawn this turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, draw a card.
At the beginning of your end step, if you have four or more cards in hand, transform Rahstahde.

At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a party counter on Rambunctious Afterparty. Then Rambunctious Afterparty deals damage equal to the number of party counters on it to each opponent.

Untap target creature. It gets +2/+2 and gains reach until end of turn.
Monument {3}{G} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

The second spell you cast each turn costs {2} less to cast.
Whenever you cast a spell, each opponent loses 1 life and you gain 1 life.

Whenever a nontoken creature with mana value 3 or less enters the battlefield under your control, exile it. If you do, create a token that's a copy of it, except it's a Construct creature instead of its other types.

Return target nonland permanent to its owner's hand. Then that player discards a card.

Flying, lifelink
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Recreator of Myths attacks, you may cast target instant or sorcery spell from your graveyard. If you do, exile that card instead of putting it into your graveyard as it resolves.

As Reflective Stalker enters the battlefield, choose a noncreature card name.
When Reflective Stalker enters the battlefield, if it was cast, create a token that's a copy of it.
Spells you opponents cast with the chosen name cost {2} more to cast.

Menace

When Reha, Entropy's Call enters the battlefield, you may search your library for any number of land cards with different names and exile them with harvest counters, then shuffle.
At the beginning of your upkeep, you may put a card that you own in exile with a harvest counter on it at random onto the battlefield tapped.

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.)

{T}: Target player exiles a card from their graveyard.
{2}, Sacrifice Remnant of Past Realities: Exile each opponent's graveyard. Draw a card.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It loses any Roles you don't control.)
Compose (Then if you cast this from your hand, exile it and create a Saga token with “III—You may cast a copy of this card from exile without paying its mana cost.”)

Whenever a creature dies, put a +1/+1 counter on Repository of Thoughts.
At the beginning of each combat, you may move a counter from Repository of Thoughts to target creature.

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 “III—You may cast a copy of this card from exile without paying its mana cost.”)

Destroy target creature.

Destroy all creatures, then return all nonland permanents to their owner's hands.

You gain 3 life.
Draw a card.