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.