Resistance

From Player's Handbook, page 272.

Description
Abjuration cantrip


 * Casting Time: 1 action
 * Range: Touch
 * Components: V, S, M (a miniature cloak)
 * Duration: Concentration, up to 1 minute

You touch one willing creature. Once before the spell ends, the target can roll a d4 and add the number rolled to one saving throw of its choice. It can roll the die before or after making the saving throw. The spell then ends.

Learned By

 * Classes: Artificer, Cleric, Druid
 * Subclasses: Sorcerer (Divine Soul), Sorcerer (Giant Soul (Stone Giant)), Wizard (Theurgy)
 * Fighting Styles: Blessed Warrior, Druidic Warrior