Cheapest priced copy (Coldsnap): $1.29 at Card Kingdom, near mint, out of stock, their price list as of .
Into the North 
Sorcery · Common · The List · #CSP-111
Search your library for a snow land card, put it onto the battlefield tapped, then shuffle.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer