Landscape Painter

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

Vibrant Idea

Landscape Painter // Vibrant Idea

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.

Mathemagics

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

Matterbending Mage

When this creature enters, return up to one other target creature to its owner's hand.
Whenever you cast a spell with {X} in its mana cost, this creature can't be blocked this turn.

Ajani's Response

This spell costs {3} less to cast if it targets a tapped creature.
Destroy target creature.

Muse Seeker

Opus — Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless five or more mana was spent to cast that spell.

Muse's Encouragement

Elemental

Create a 3/3 blue and red Elemental creature token with flying.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Orysa, Tide Choreographer

This spell costs {3} less to cast if creatures you control have total toughness 10 or greater.
When Orysa enters, draw two cards.

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.

Procrastinate

Tap target creature. Put twice X stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Quick Study

Run Behind

This spell costs {1} less to cast if it targets an attacking creature.
Target creature's owner puts it on their choice of the top or bottom of their library.

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

Spellbook Seeker

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

Careful Study

Spellbook Seeker // Careful Study

Tester of the Tangential

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.)
At the beginning of combat on your turn, you may pay {X}. When you do, move X +1/+1 counters from this creature onto another target creature.

Spirit

Antiquities on the Loose

Create two 2/2 red and white Spirit creature tokens. Then if this spell was cast from anywhere other than your hand, put a +1/+1 counter on each Spirit you control.
Flashback {4}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Secrets of Strixhaven