From Frostburn:
WINTER DOMAIN
Granted Power: During the winter season, you gain a +2 sacred bonus on all Wisdom-based skill checks.
Winter Domain Spells
1 Snowsight*: Normal vision in winter weather conditions.
2 Snow Walk*: Increase your speed and walk effortlessly on top of snow without leaving tracks or scent.
3 Winter’s Embrace*: Subject takes 1d8 damage/round; can cause fatigue.
4 Ice Storm: Hail deals 5d6 damage in cylinder 40 ft. across.
5 Blizzard*: Temperature drops and powerful blizzard reduces visibility to zero.
6 Death Hail*: Summons a storm of death hail.
7 Control Weather: Changes weather in local area.
8 Summon Giants (Frost Giants Only)*: Summons outsider giants to fight for you.
9 FimbulwinterX*: Creates winter weather for miles around you that lasts for months.
Swap out:
#9 for Summon Elemental Monolith (SpC)
#8 for....Undermaster (SpC) but only applicable with snow and ice?