Cheapest priced copy (The Lost Caverns of Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Mephitic Draught 
Artifact · Common · The Lost Caverns of Ixalan · #112
When this artifact enters or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan | 112 | Common | $0.35 | $0.49 |