Cheapest priced copy (Coldsnap): $0.35 at Card Kingdom, near mint, their price list as of .
Greater Stone Spirit 
Creature — Elemental Spirit · 4/4 · Uncommon · Coldsnap · #84
This creature can't be blocked by creatures with flying.
{2}{R}: Until end of turn, target creature gets +0/+2 and gains "{R}: This creature gets +1/+0 until end of turn."
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Coldsnap | 84 | Uncommon | $0.35 | $0.49 |
| Duel Decks: Venser vs. Koth | 61 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 15 July 2006After Greater Stone Spirit’s activated ability is activated, the affected creature gains an activated ability that only that creature’s controller can activate.
- 1 May 2007Creatures with the Reach ability (such as Giant Spider) can block this because they don’t actually have Flying.