Cheapest priced copy (Ice Age): $0.35 at Card Kingdom, near mint, their price list as of .
Barbarian Guides 
Creature — Human Barbarian · 1/2 · Common · Ice Age · #174
{2}{R}, {T}: Choose a land type. Target creature you control gains snow landwalk of the chosen type until end of turn. Return that creature to its owner's hand at the beginning of the next end step. (It can't be blocked as long as defending player controls a snow land of that type.)
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ice Age | 174 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 1 February 2014You choose a land subtype, and if the defending player controls any snow lands with that subtype, the targeted creature can’t be blocked.