Cheapest priced copy (Urza's Saga): $1.79 at Card Kingdom, near mint, their price list as of .
Metrognome 
Artifact · Rare · Urza's Saga · #301
When a spell or ability an opponent controls causes you to discard this card, create four 1/1 colorless Gnome artifact creature tokens.
{4}, {T}: Create a 1/1 colorless Gnome artifact creature token.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $1.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Saga | 301 | Rare | $1.79 | — |