Snow is a supertype that first appeared in Magic The Gathering's Ice Age set alongside Coldsnap, Future Sight, Commander 2019, Modern Horizons, and most recently, Kaldheim
It's one of those 'selfish' minions Black often gets, and the flavour does work for a 'foul' familiar -- instead of being undyingly loyal to its summoner, it just stops short at being willing to take a hit for its master
Thats not the issue, but graveyard removal is indeed getting spicy
While not a Vampire himself, Rakdos is a top-tier pick among the best Vampire Commanders MTG community recommends for explosive, cost-reduction tribal builds
As a note, Archmage of Echoes is one of the many new Faerie Typal cards released in the Fae Dominion preconstructed deck
I still havent seen a Golgari deck I truly love, but the potential within the guild is undeniable