It skewers prey with its tusks, extracting game from the safety and comfort of burrows.
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.
Sabertusk (CR 4)
N Medium Divine / Unholy Animal [(holy/shadow)]
Init +6; Senses Darkvision 60 ft. [darkvision 120 ft. and see in darkness], low-light vision, scent; Perception +8
[Aura Sacred Aura/Profane Aura]
AC 15, touch 12, flat-footed 13 (+2 Dex, +3 natural)
hp 35 (5d8+10)
Fort +6, Ref +6, Will +2
Resist Fire 5 [holy 10/shadow 10]
Weakness Ice [shadow/holy]
Speed 40 ft. [50 ft]
Melee 2 Claws +6 (1d6+3 [+1d6 holy/shadow] plus trip and grab), Gore +7 (1d8+3 [+1d6 holy/shadow])
Space 5 ft.; Reach 5 ft.
Special Attacks Impaled Pounce, Rake (2 claws +6, 1d6+3)
Str 16, Dex 15, Con 15, Int 2, Wis 12, Cha 8
Base Atk +3; CMB +6 (+10 grapple); CMD 18 (22 vs. trip)
Feats Improved Initiative, Skill Focus (Perception), Weapon Focus (Gore)
Skills Acrobatics +7, Perception +8, Stealth +7, Swim +8; Racial Modifiers +4 Perception, +4 Survival when tracking by scent
Impaled Pounce (Ex)
A sabertusk can make a full attack (including its rake attack) when it makes a charge attack, he also deals double damage with his tusks.
Divine – Sacred Aura (Su)
A divine creature emits supernatural light in a 10-foot radius around it. All those within the area of effect take 1d6 holy damage plus an additional 1d6 holy damage for every 5 racial HD the base creature has. A divine creature can suppress or resume the use of this ability as a free action.
Unholy – Profane Aura (Su)
An unholy creature emits supernatural darkness in a 10-foot radius around it. All those within the area of effect take 1d6 shadow damage plus an additional 1d6 shadow damage for every 5 racial HD the base creature has. An unholy creature can suppress or resume the use of this ability as a free action.