Cheapest priced copy (Eldritch Moon): $0.35 at Card Kingdom, near mint, their price list as of .
Certain Death 
Sorcery · Common · The List · #EMN-84
Destroy target creature. Its controller loses 2 life and you gain 2 life.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eldritch Moon | 84 | Common | $0.35 | $0.49 |
| Jumpstart 2022 | 386 | Common | $0.35 | — |
| The List | EMN-84 | Common | $0.35 | — |
| Welcome Deck 2017 | 16 | Common | $0.35 | — |
2 rulings from Wizards of the Coast
- 13 July 2016The targeted creature will have already left the battlefield before its controller loses 2 life and you gain 2 life. If it has any abilities that care about gaining or losing life, they won’t apply.
- 13 July 2016If the creature becomes an illegal target for Certain Death, no player gains or loses life. If it’s a legal target but isn’t destroyed, most likely due to having indestructible, its controller still loses 2 life and you gain 2 life.