Cheapest priced copy (Urza's Legacy): $0.69 at Card Kingdom, near mint, their price list as of .
Ring of Gix 
Artifact · Rare · Urza's Legacy · #131
Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{1}, {T}: Tap target artifact, creature, or land.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.69 to $44.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Legacy | 131 | Rare | $0.69 | $44.99 |