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

Pack Tactics. The hound has advantage on an attack roll against a creature if at least one of the hound's allies is within 5 feet of the creature and the ally isn't incapacitated.

Levitation. The hound floats in the air, 

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage 

Multiattack. Two slashing motion with claws. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: (1d8 + 2) slashing damage 

Claws. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: [rollable](1d8 + 2) 

Pounce.  RangedWeapon Attack: +3 to hit, reach 5 ft., one target. Hit: [rollable](1d8 + 2)

If the being it is attacking is knocked prone, the Hound can make one bite attack as a bonus action.