Cheapest priced copy (Marvel Super Heroes Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Viper, Cruel Conspirator 
Legendary Creature — Human Assassin Villain · 2/2 · Rare · Marvel Super Heroes Commander · #673
{B}: Target creature that's attacking alone gets +1/+1 until end of turn.
{B}: Target creature that's attacking alone gains your choice of deathtouch or lifelink until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 673 | Rare | $0.49 | $0.49 |