Celestial Wolf

Pack Tactics. The celestial wolf has Advantage on attack rolls against a creature if at least one of the wolf’s allies is within 5 feet of the creature and the ally doesn’t have the Incapacitated condition.

Keen Hearing and Smell. The celestial wolf has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Magic Resistance.  The celestial wolf had Advantage on saving throws against spells and other magical effects.

Bite. Melee Attack Roll: +4, reach 5 ft. Hit: 9 (2d6 + 2) Piercing damage. If the target is a Medium or smaller creature, it has the Prone condition.

Divine Smite. Once per long or short rest, the celestial wolf can deal 4 (1d8) radiant damage to the target of its bite attack.  If the target is a fiend or undead, the damage is 9 (2d8) instead.