Strixhaven: School of Mages

Mercurial Transformation | Sorcery | Lesson | Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4. | Craig J Spearing

Test of Talents | Instant | | Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for any number of cards with the same name as that spell and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. | Lie Setiawan

Prismari Apprentice | Creature | Human Shaman | Magecraft — Whenever you cast or copy an instant or sorcery spell, Prismari Apprentice can't be blocked this turn. If that spell has mana value 5 or greater, put a +1/+1 counter on Prismari Apprentice. | Igor Kieryluk

Expressive Iteration | Sorcery | | Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn. | Anastasia Ovchinnikova

Decisive Denial | Instant | | Choose one — • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) • Counter target noncreature spell unless its controller pays {3}. | Lorenzo Mastroianni

Quandrix Apprentice | Creature | Human Wizard | Magecraft — Whenever you cast or copy an instant or sorcery spell, look at the top three cards of your library. You may reveal a land card from among them and put that card into your hand. Put the rest on the bottom of your library in any order. | Ryan Alexander Lee

Zimone, Quandrix Prodigy | Legendary Creature | Human Wizard | {1}, {T}: You may put a land card from your hand onto the battlefield tapped. {4}, {T}: Draw a card. If you control eight or more lands, draw two cards instead. | Ryan Pancoast