Utahraptor

Keen Smell. The Utahraptor has advantage on Wisdom (Perception) checks that rely on smell.

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

Pounce. If the clawfoot moves at least 30 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the clawfoot can make one bite attack against it as a bonus action.

Multiattack. The Utahraptor makes one claw attack and one bite attack.

Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 10 (2d8 + 3) slashing damage.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (2d6 + 3) piercing damage.