Cheapest priced copy (Mirrodin Besieged): $0.35 at Card Kingdom, near mint, their price list as of .
Razorfield Rhino 
Artifact Creature — Rhino · 4/4 · Common · Mirrodin Besieged · #127
Metalcraft — This creature gets +2/+2 as long as you control three or more artifacts.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin Besieged | 127 | Common | $0.35 | $0.49 |