Strixhaven: School of Mages

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

Maelstrom Muse | Creature | Djinn Wizard | Flying Whenever Maelstrom Muse attacks, the next instant or sorcery spell you cast this turn costs {X} less to cast, where X is Maelstrom Muse's power as this ability resolves. | Michele Parisi

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

Practical Research | Instant | | Draw four cards. Then discard two cards unless you discard an instant or sorcery card. | Ekaterina Burmak

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

Creative Outburst | Instant | | Creative Outburst deals 5 damage to any target. Look at the top five cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order. {U/R}{U/R}, Discard Creative Outburst: Create a Treasure token. | Igor Kieryluk