Cheapest priced copy (Mirrodin Besieged): $0.79 at Card Kingdom, near mint, their price list as of .
Decimator Web 
Artifact · Rare · Mirrodin Besieged · #105
{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.79 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin Besieged | 105 | Rare | $0.79 | $0.99 |