Emeritus of Ideation

Flying, ward {2}
This creature enters prepared.
Whenever this creature attacks, you may exile eight cards from your graveyard. If you do, this creature becomes prepared.

Ancestral Recall

Emeritus of Ideation // Ancestral Recall

Exhibition Tidecaller

Opus — Whenever you cast an instant or sorcery spell, target player mills three cards. If five or more mana was spent to cast that spell, that player mills ten cards instead.

Harmonized Trio

{T}, Tap two untapped creatures you control: This creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Harmonized Trio // Brainstorm

Fractal

Jadzi, Steward of Fate // Oracle's Gift

Jadzi, Steward of Fate

Jadzi enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
When Jadzi enters, draw two cards, then discard two cards.

Oracle's Gift

Create X 0/0 green and blue Fractal creature tokens, then put X +1/+1 counters on each Fractal you control.

Mana Sculpt

Counter target spell. If you control a Wizard, add an amount of {C} equal to the amount of mana spent to cast that spell at the beginning of your next main phase.

Soaring Stoneglider

As an additional cost to cast this spell, exile two cards from your graveyard or pay {1}{W}.
Flying, vigilance

Mathemagics

Target player draws 2ˣ cards. (2º = 1, 2¹ = 2, 2² = 4, 2³ = 8, 2⁴ = 16, 2⁵ = 32, and so on.)

Pensive Professor

Increment (Whenever you cast a spell, if the amount of mana you spent is greater than this creature's power or toughness, put a +1/+1 counter on this creature.)
Whenever one or more +1/+1 counters are put on this creature, draw a card.

Skycoach Conductor

Flash
Flying, vigilance
This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

All Aboard

Exile target non-Pilot creature you control, then return that card to the battlefield under its owner's control.

Skycoach Conductor // All Aboard

Wisdom of Ages

Return all instant and sorcery cards from your graveyard to your hand. You have no maximum hand size for the rest of the game.
Exile Wisdom of Ages.

Emeritus of Woe

This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
At the beginning of your end step, if two or more creatures died this turn, this creature becomes prepared.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Emeritus of Woe // Demonic Tutor

Grave Researcher

At the beginning of your upkeep, surveil 1. Then if there are three or more creature cards in your graveyard, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Reanimate

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to that card's mana value.

Grave Researcher // Reanimate

Moseo, Vein's New Dean

Pest

Flying
When Moseo enters, create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life."
Infusion — At the beginning of your end step, if you gained life this turn, return up to one target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn.

Postmortem Professor

This creature can't block.
Whenever this creature attacks, each opponent loses 1 life and you gain 1 life.
{1}{B}, Exile an instant or sorcery card from your graveyard: Return this card from your graveyard to the battlefield.

Pox Plague

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the permanents they control of their choice. Round down each time.

Scheming Silvertongue

Flying, lifelink
At the beginning of your second main phase, if you gained 2 or more life this turn, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Sign in Blood

Target player draws two cards and loses 2 life.

Secrets of Strixhaven