Strixhaven: School of Mages

Frost Trickster | Creature | Bird Wizard | Flying When Frost Trickster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Uriah Voth

Vortex Runner | Creature | Human Wizard | As long as you control eight or more lands, Vortex Runner gets +1/+0 and can't be blocked. | Billy Christian

Uvilda, Dean of Perfection | Legendary Creature | Djinn Wizard | {T}: You may exile an instant or sorcery card from your hand and put three hone counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove a hone counter from it" and "When the last hone counter is removed from this card, if it's exiled, you may cast it. It costs {4} less to cast this way." | Jason Rainville

Kelpie Guide | Creature | Beast | {T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands. | Ilse Gort

Dream Strix | Creature | Bird Illusion | Flying When Dream Strix becomes the target of a spell, sacrifice it. When Dream Strix dies, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) | YW Tang

Rootha, Mercurial Artist | Legendary Creature | Orc Shaman | {2}, Return Rootha, Mercurial Artist to its owner's hand: Copy target instant or sorcery spell you control. You may choose new targets for the copy. | Chris Rahn

Spectacle Mage | Creature | Bird Shaman | Flying Instant and sorcery spells you cast with mana value 5 or greater cost {1} less to cast. | Caroline Gariba

Biomathematician | Creature | Human Wizard | When Biomathematician enters the battlefield, create a 0/0 green and blue Fractal creature token. Put a +1/+1 counter on each Fractal you control. | Igor Kieryluk

Quandrix Pledgemage | Creature | Merfolk Druid | Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Quandrix Pledgemage. | Caroline Gariba

Codie, Vociferous Codex | Legendary Artifact Creature | Construct | You can't cast permanent spells. {4}, {T}: Add {W}{U}{B}{R}{G}. When you cast your next spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order. | Daniel Ljunggren