Cheapest priced copy (Foundations Jumpstart): $0.35 at Card Kingdom, near mint, their price list as of .
Serpent Assassin 
Creature — Snake Assassin · 2/2 · Rare · Portal · #108
When this creature enters, you may destroy target nonblack creature.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.35 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Jumpstart | 123 | Uncommon | $0.35 | — |
| Portal | 108 | Rare | $4.99 | — |