The “Mischievous Hands” set.

Vor, Tartar:
1. Mephits - Quasits
Mephits and Quasits are the result of breeding Imps and Fiends. They have lost the ability to steal mana, but they can fly.
2 - Statues - Ice Golems
Ice Golems are animated chunks of ice. They obey the Frigians.
2, alternative - Painforgers - Freezers
Painforgers are novice Frigian mages. They are not actually scary.
3 - Ice Succubi - Erinyes
Ice Succubi are succubi who have sided with the Frigians. They have become very powerful, but less fast.
4 - Spirits of Cold - Frost Souls
Elves killed by the Vor decide to take revenge on the world. Their souls cannot be stopped by anything except... the "Berserk" spell, which has the opposite effect. This is how the Frigians captured them, but on round 30 they will become berserkers again.
5 - Frigian Workers - Frigian Warriors
Frigian Workers are many times stronger than their Krigan counterparts.
6 - Snow Guardians - Gelugons
Summoned from another world, where eternal winter reigns, Gelugons have adapted well to Enroth.
6, alternative - Cold Heretic - Cold Possessed
Not all cultists of Baa are Krigans; some are Frigians.
7 - Ice Demons - Greater Frigians
7, alternative - Snow Warrior - Snow Fighter
8 - Ice Devils - Tartar Lords