Completely Ordinary Wolf

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

Pack Tactics. The wolf has advantage on attack rolls 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.

Amphibious. The wolf can breathe underwater as well as on land.

Multiattack. The wolf attacks twice with its tentacles and once with its bite or claw.

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.

Claw Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 9 (1d12 + 3) slashing damage.

Tentacle. Melee Weapon Attack: +4 to hit, reach 10 ft., one target. Hit: 5 (1d4 + 3) slashing damage.