Foresight 15
Gate 22
Imprisonment 22
Invulnerability 17
Mass Heal 20
Mass Polymorph 20
Meteor Swarm 24 - I'm not a fan of evocation, but this is something to get excited over!
Power Word Heal 5
Prismatic Wall 20
Psychic Scream 20 - I'm usually a fan of Int saves, but not like this!
Shapechange 21
Time Stop 18
True Polymorph 19
True Resurrection 17