Winter Wolf

Keen Hearing and Smell. The wolf has advantage on Perception checks that rely on hearing and smell.

Pack Tactics. The wolf has advantage on attack rolls against a creature if at least one of the wolfs allies is within 5 feet of the creature and not incapacitated.

Camouflage. The wolf has advantage on Stealth checks made to hide in snow.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6+4) piercing damage. If the target is a creature it makes a DC 14 Strength saving throw falling prone on a failure.

Cold Breath (Recharge 5-6). The wolf exhales frost in a 15-foot cone. Each creature in the area makes a DC 12 Dexterity saving throw taking 18 (4d8) cold damage on a failure or half damage on a success.