SHIELD OF FAITH

1st-level abjuration
Casting Time: 1 Bonus Action
Range: 60 Feet
Components: V, S, M (A Small Parchment With A Bit Of Holy Text Written On It)
Duration: Concentration, up To 10 Minutes
Usable By: Cleric, Paladin

  A shimmering field appears and surrounds a creature of your choice within range, granting it a +2 bonus to AC for the duration.

Players Handbook, page: 275