Mental Barrier (UA)

Source: Unearthed Arcana 66 - Fighter, Rogue, and Wizard

2nd-level abjuration

Casting Time: 1 reaction, which you take when you are forced to make an Intelligence, a Wisdom, or a Charisma saving throw
Range: Self
Components: V
Duration: 1 round

You protect your mind with a wall of looping, repetitive thought. Until the start of your next turn, you have advantage on Intelligence, Wisdom, and Charisma saving throws, and you have resistance to psychic damage.

Spell Lists. Sorcerer, Warlock, Wizard