Cheapest priced copy (Ice Age): $0.49 at Card Kingdom, near mint, their price list as of .
Snow Fortress 
Artifact Creature — Wall · 0/4 · Rare · Ice Age · #337
Defender (This creature can't attack.)
{1}: This creature gets +1/+0 until end of turn.
{1}: This creature gets +0/+1 until end of turn.
{3}: This creature deals 1 damage to target creature without flying that's attacking you.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ice Age | 337 | Rare | $0.49 | — |