Cheapest priced copy (Mirrodin): $0.35 at Card Kingdom, near mint, their price list as of .
Wail of the Nim 
Instant · Common · Mirrodin · #81
Choose one —
• Regenerate each creature you control.
• Wail of the Nim deals 1 damage to each creature and each player.
Entwine {B} (Choose both if you pay the entwine cost.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin | 81 | Common | $0.35 | $4.49 |