Cheapest priced copy (Avacyn Restored): $0.35 at Card Kingdom, near mint, their price list as of .
Fettergeist 
Creature — Spirit · 3/4 · Uncommon · Avacyn Restored · #52
Flying
At the beginning of your upkeep, sacrifice this creature unless you pay {1} for each other creature you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avacyn Restored | 52 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 May 2012The amount of mana you need to pay is determined when the triggered ability resolves.