True Strike

Cantrip (divination; arcane, attack, enhancement)
Class(es): Bard, paladin, sorcerer, warlock, wizard
Casting Time: 1 Action
Range: Short (30 feet)
Components: S
Duration: Concentration (1 round)

You gain an innate understanding of the defenses of a creature or object in range. You have advantage on your first attack roll made against the target before the end of your next turn.