Cheapest priced copy (Scars of Mirrodin): $0.35 at Card Kingdom, near mint, their price list as of .
Golden Urn 
Artifact · Common · Scars of Mirrodin · #158
At the beginning of your upkeep, you may put a charge counter on this artifact.
{T}, Sacrifice this artifact: You gain life equal to the number of charge counters on this artifact.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Scars of Mirrodin | 158 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 January 2011As Golden Urn’s last ability resolves, its last existence on the battlefield is checked to determine how many charge counters were on it.