Cheapest priced copy (Darksteel): $0.49 at Card Kingdom, near mint, their price list as of .
Pulse of the Forge 
Instant · Rare · Darksteel · #66
Pulse of the Forge deals 4 damage to target player or planeswalker. Then if that player or that planeswalker's controller has more life than you, return Pulse of the Forge to its owner's hand.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 66 | Rare | $0.49 | $1.99Out of stock |