Emeritus of Conflict

First strike
Whenever you cast your third spell each turn, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Emeritus of Conflict // Lightning Bolt

Expressive Firedancer

Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, this creature also gains double strike until end of turn.

Flashback

Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Garrison Excavator

Spirit

Menace (This creature can't be blocked except by two or more creatures.)
Whenever one or more cards leave your graveyard, create a 2/2 red and white Spirit creature token.

Goblin Glasswright // Craft with Pride

Treasure

Goblin Glasswright

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

Craft with Pride

Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Heated Argument

Heated Argument deals 6 damage to target creature. You may exile a card from your graveyard. If you do, Heated Argument also deals 2 damage to that creature's controller.

Impractical Joke

Damage can't be prevented this turn. Impractical Joke deals 3 damage to up to one target creature or planeswalker.

Elite Interceptor

Rejoinder

You may tap or untap target creature.
Draw a card.

Elite Interceptor // Rejoinder

Improvisation Capstone

Exile cards from the top of your library until you exile cards with total mana value 4 or greater. You may cast any number of spells from among them without paying their mana costs.
Paradigm (Then exile this spell. After you first resolve a spell with this name, you may cast a copy of it from exile without paying its mana cost at the beginning of each of your first main phases.)

Living History

When this enchantment enters, create a 2/2 red and white Spirit creature token.
Whenever you attack, if a card left your graveyard this turn, target attacking creature gets +2/+0 until end of turn.

Maelstrom Artisan

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

Rocket Volley

Maelstrom Artisan // Rocket Volley

Magmablood Archaic

Trample, reach
Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.
Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 until end of turn for each color of mana spent to cast that spell.

Mica, Reader of Ruins

Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.)
Whenever you cast an instant or sorcery spell, you may sacrifice an artifact. If you do, copy that spell and you may choose new targets for the copy.

Molten-Core Maestro

Menace
Opus — Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. If five or more mana was spent to cast that spell, add an amount of {R} equal to this creature's power.

Pigment Wrangler

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

Striking Palette

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Secrets of Strixhaven