Cheapest priced copy (The List): $0.35 at Card Kingdom, near mint, their price list as of .
Cloud Spirit 
Creature — Spirit · 3/1 · Common · Stronghold · #26
Flying
This creature can block only creatures with flying.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
3 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The List | STH-26 | Common | $0.35 | — |
| Portal | 47 | Uncommon | $0.35 | — |
| Stronghold | 26 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2004If it loses Flying, it will be unable to block any creatures.