Cheapest priced copy (Mirrodin): $0.35 at Card Kingdom, near mint, their price list as of .
Irradiate 
Instant · Common · Mirrodin · #67
Target creature gets -1/-1 until end of turn for each artifact you control.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin | 67 | Common | $0.35 | $0.49 |