msem-instigator

Forebode three times, then untap each Omen you control. Until end of turn, if you would draw a card while your library has no cards in it, you win the game instead. (Create three tapped colorless Omen artifact tokens with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)

Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Repeat the following process X times. Exile a creature you control, then return it to the battlefield under your control.
Exile Lazaire's Conjuring.

Whenever target creature deals combat damage to a player this turn, draw two cards.
Fuse (You may cast one or both halves of this card from your hand.)

Counter target instant or sorcery spell you don't control unless its controller copies it twice. You gain control of those copies and may choose new targets for them.

As an additional cost to cast this spell, exile a card from your graveyard.
Counter target spell with mana value less than or equal to the exiled card's mana value.

Enchant creature
As Legacy of Highpoint enters, choose a creature type.
Enchanted creature gets +2/+2, has flying, and is the chosen type in addition to its other types.

At the beginning of your end step, draw a card, then discard a card.
Whenever you cast a spell with mana value 5 or greater, if it's an instant or has flash, you may counter target spell.

This spell costs {2} less to cast if you've cast another spell this turn.
Draw two cards, then put a card from your hand on top of your library.

Untap up to two target lands you control. Those lands become the basic land type of your choice until end of turn.
Draw a card.

Enchant creature
Enchanted creature has flying.
Whenever enchanted creature deals combat damage to a creature, you may untap enchanted creature.

Enchant creature you control
Enchanted creature gets +1/+1.
{1}{U}: Return Lightning Draw and enchanted creature to their owners' hands.

Enchant creature
Enchanted creature gets +0/+2 and has “{T}: Draw a card.”

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
If you would draw a card from an archived library, draw a card from each of your archived libraries instead. (Archived libraries are those that still have their Study in play.)

Up to two target creatures can't be blocked this turn. (Then exile this card. You may cast the creature later from exile.)

Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{U}{U}{U}: Premise
Create a token that's a copy of target creature.
{U}{U}{U}: Inference
Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.
{U}{U}{U}: Conclusion
Logic Module gains “Whenever a creature you control deals combat damage to an opponent, you may draw a card.”

Take an extra turn after this one. Exile Look to the Future.
Civilized — If you control an artifact, a creature, and an enchantment, until the end of your next turn, you may look at the top card of your library any time and you may play the top card of your library.

Return target nonland permanent to its owner's hand.
Dominance — If you control the creature with the greatest power or tied for the greatest power, you may put that permanent on top of its owner's library instead.

Submerge target spell. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)

Counter target spell. Create a 1/1 blue Elemental creature token with flying.

Enchant opponent
When Lost Knowledge enters, enchanted player reveals their hand.
{1}, Sacrifice Lost Knowledge: Scry 2, then draw a card.

Counter target spell, activated ability, or triggered ability. Its controller chooses draw step, main phase, or combat phase. That player skips each instance of the chosen step or phase during their next turn. (Mana abilities can't be targeted.)

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Put target creature [spell] on top of its owner's library.

Put target nonland permanent on top of its owner's library.
Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”