Cheapest priced copy (Hour of Devastation): $0.35 at Card Kingdom, near mint, their price list as of .
Lethal Sting 
Sorcery · Common · The List · #HOU-67
As an additional cost to cast this spell, put a -1/-1 counter on a creature you control.
Destroy target creature.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Hour of Devastation | 67 | Common | $0.35 | $0.49 |
| The List | HOU-67 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 14 July 2017If you don’t control any creatures or can’t put any -1/-1 counters on any creature you control, you can’t cast Lethal Sting.