Deep Magic Volume 1
Anticipate Arcana
3-level Divination
Casting Time: 1 reaction, which you take when an enemy you can see casts a spell
Range/Area: Self
Components: Verbal, Somatic
Duration: Instant
Damage/Effect: Protection
Your foresight gives you an instant to ready your defenses against a magical attack. When you cast anticipate arcana, you have advantage on saving throws against spells and other magical effects until the start of your next turn.
Available for: Cleric, Paladin, Sorcerer, Warlock, Wizard with Temporal Specialization