msem-instigator

First strike, trample
Whenever Regal Coralhorn deals combat damage to a player or planeswalker, return target card with a cycling ability from your graveyard to your hand.
Cycling {2} ({2}, Discard this card: Draw a card.)

Legacy (You may play this side of this card only from your graveyard. Exile it if it would leave the battlefield or not resolve.)
At the beginning of your upkeep, you may return a creature card from your graveyard to your hand. If you do, you gain 2 life.

When Reha, Entropy's Call enters, 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.

Choose one—
• Put two -1/-1 counters on target creature.
• Untap target creature. It gains deathtouch until end of turn.
• Until end of turn, target creature deals damage to creatures in the form of -1/-1 counters.

If one or more -1/-1 counters would be put on a creature an opponent controls, put twice that many -1/-1 counters on it instead.

You may pay {G}{W} and untap four tapped creatures you control rather than pay this spell's mana cost.
Create four 1/1 green Scout creature tokens.

Target player gains 10 life.

Flying
Foresight — Whenever you draw your second card each turn, Relentless Sphinx deals 2 damage to any target and you gain 2 life.

When Relentless Toqui enters, put two +1/+1 counters on a creature you control.
Creatures you control with counters on them have haste and menace.

Whenever another creature you control enters, you may upgrade Relitian Renegade. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Ward {2}
• Flying
• Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)

Vigilance
Whenever you cast an artifact spell, put a +1/+1 counter on Relitian Sentry.
Equipped creatures you control get +1/+1 and have first strike.

Creatures you control get -3/-3.
Whenever a creature you control dies, put a soul counter on Remake the Cast.
Creatures you control get +1/+1 for each soul counter on Remake the Cast.

When Remembrance of Light enters, you may return target permanent card from your graveyard to your hand.
Revive—{4}{G}, Discard a card. ({4}{G}, Discard a card, 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.)

Flying, lifelink, haste
{W}{U}{B}{R}{G}, Exile Remi Amber, Slyten Specialist: Return Remi Amber to the battlefield transformed at the beginning of your next main phase.

Mill three cards. Return a card from among the milled cards to your hand. Then shuffle three cards from graveyards into their owners' libraries.

Whenever a creature enters, each opponent loses 1 life.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you put one or more +1/+1 counters on a creature, add a quest counter.
1, 2 — Create two 1/1 green and white Mouse Soldier creature tokens with vigilance.
3 — Until end of turn, creatures you control get +1/+1 and gain lifelink.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Lifelink
Whenever Repent, Daughter of Fallacy blocks or becomes blocked, it deals 3 damage to any target.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{4}{G}: Recreate
Put two +1/+1 counters on each creature token you control.
{4}{U}: Reproduce
Draw a card for each noncreature token you control.
{3}{G}{U}: Repeat
Replication Module gains “At the beginning of your upkeep, you may create a token that's a copy of target token you control.”

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.

Whenever a creature you control dies, you may search your library for an enchantment card or a card with fabled, reveal it, put it into your hand, then shuffle.

Each opponent mills half their library, rounded up. When they do, return target creature card from a graveyard to the battlefield under your control.

Whenever a land you control enters, you may sacrifice a creature. If you do, each opponent sacrifices a creature.
{2}{B}{G}, Sacrifice a land: Draw a card.

Choose one —
• Destroy target nonland permanent with mana value less than or equal to the number of card types among cards in your graveyard.
• Return to the battlefield target creature card from your graveyard with mana value less than or equal to the number of card types among permanents you control.