Bonus Cantrip
At 2nd level you learn the Ray of Frost cantrip, This cantrip doesn't count against the amount of cantrips you know. This is considered a druid cantrip
Arctic Cloak
At 2nd level, you are able to use an action to use up one use of your wild shape feature yo gain 4 temporary hit points for each level you are in this class. You lose this benefit after 10 minutes or until you use your wild shape again. Also you gain the following benefits
+2 AC
ADV on concertation checks
Winter Shield
At 2nd level, use a bonus action on a creature you see within 60ft of you to gain 5 + your druid level in temporary hit points. You can use this feature a number of times equal to your proficiency bonus and regain all uses after a long rest
Frost Steps
At 6th level, you gain resistance to cold damage and when traveling in arctic environment, difficult terrain doesn't slow your group's travel
Ward of Frozen Spirits
At 10th level, the Winter Shield now gives 15 + your druid level and can choose if you get temporary hit points as well
Glacial Respite
At 14th level, when you are reduce to 0 hit points, you can use an reaction to gain 10 temporary hit points for each level you have in this class. These temporary hit points disappear after 2 turns and can use it again after a long rest