Cheapest priced copy (Fifth Edition): $0.59 at Card Kingdom, near mint, their price list as of .
Serpent Generator 
Artifact · Rare · Legends · #295
{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.59 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fifth Edition | 397 | Rare | $0.59 | — |
| Chronicles Foreign Black Border | 108 | Rare | — | — |
| Chronicles | 108 | Rare | $0.59 | — |
| Legends | 295 | Rare | $10.99 | — |