Multi attack: can attack with claws or bite twice.

Thurm: +10 to hit, reach 35ft.  Hit:  (1d4 + 1) [cold] damage. Can bind target constitution save dc 12. can be used twice per long rest and Adds 1 point of exhaustion after 2nd use.

 Hit and run tactics: when fighting in exposed mountain or arctic terrain, may take a hide bonus action if at least 30 ft away from other enemies.

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

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

Snow Camouflage. The Cazak has advantage on Dexterity (Stealth) checks made to hide in snowy terrain.

Bite: +7 to hit, reach 5 ft., 1 target. Hit:  10-12 (2d8 + 4) [piercing] damage. 

Claw swipe: +7 to hit, reach 5 ft., 1 target. Hit:  10-12 (2d8 + 4) [piercing] damage. 

Pounce: +7 to hit, reach 5 ft., 1 target. Hit:  (1d8 + 2) [piercing] damage. can disengage and move after attack.