This bear-sized wolf has white fur and a rime of frost around its muzzle. Its eyes are pale blue, almost white in color.
As a summoned, template, creature, this creature has several changes. Anything noted with  is what it gains from the template associated with the summoners’ alignment. Divine is always listed first, and Unholy afterwards.
Winter Wolf (CR 6)
AC 19, touch 12, flat-footed 16 (+3 Dex, +7 natural, -1 size)
hp 57  (6d10+24)
Fort +9; Ref +8; Will +4
Resist [holy 10/shadow 10]
Weakness Fire, [shadow/holy]
Speed 50 ft. [60 ft]
Melee Bite +10 (1d8+7 [+1d6 holy/shadow] plus 1d6 ice dmg and trip)
Space 10 ft.; Reach 5 ft.
Special Attacks Breath weapon (every 1d4+1 rounds, 15-ft. cone, 6d6 ice damage, Reflex half DC 17), [Sacredness/Profane Attacks]
Str 20, Dex 16, Con 18, Int 6, Wis 15, Cha 10
Base Atk +6; CMB +12; CMD 25 (29 vs. trip)
Feats Run, Skill Focus (Perception), Weapon Focus (Bite)
Skills Perception +11, Stealth +4, Survival +5 (+9 scent tracking); Racial Modifiers +4 Survival when tracking by scent
Divine – Sacredness (Su)
Each of a divine creature’s melee attacks with a natural or manufactured weapon deal +50% more holy damage against creatures of evil alignment. All of its natural and manufactured weapons are treated as good-aligned for overcoming damage reduction.
Unholy – Profane Attacks (Su)
Each of an unholy creature’s melee attacks with a natural or manufactured weapon deal +50% more shadow damage against creatures of good alignment. All of its natural and manufactured weapons are treated as evil-aligned for overcoming damage reduction.