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
3.5 LSV
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
3.5 LSV
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
4.0 LSV