Cheapest priced copy (Darksteel): $0.49 at Card Kingdom, near mint, their price list as of .
Pulse of the Dross 
Sorcery · Rare · Darksteel · #50
Target player reveals three cards from their hand and you choose one of them. That player discards that card. Then if that player has more cards in hand than you, return Pulse of the Dross to its owner's hand.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 50 | Rare | $0.49 | $0.79 |