Cheapest priced copy (Kaladesh): $0.35 at Card Kingdom, near mint, their price list as of .
Fireforger's Puzzleknot 
Artifact · Common · Kaladesh · #213
When this artifact enters, it deals 1 damage to any target.
{2}{R}, Sacrifice this artifact: It deals 1 damage to any target.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kaladesh | 213 | Common | $0.35 | $0.49 |