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

Lifelink. Whenever the cubwarden deals damage it regains half as many hit points.

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

Pounce. If the tiger moves at least 20 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 16 Strength saving throw or be knocked prone. If the target is prone, the tiger can make one bite attack against it as a bonus action.

Multiattack. The tiger makes two attacks: one with its bite and one with its claws.

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 10 (1d10 + 5) piercing damage.

Claw. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Gore. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (1d10 +5) bludgeoning damage.

Mutate. Whenever the cubwarden mutates it lets out a cry that summons a lion to join in the combat. The lion takes it's turn after the cubwarden in initiative.