Strixhaven: School of Mages

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

Quandrix Cultivator | Creature | Turtle Druid | When Quandrix Cultivator enters the battlefield, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle. | Filip Burburan