Cheapest priced copy (The Brothers' War Retro Artifacts): $0.35 at Card Kingdom, near mint, their price list as of .
Liquimetal Coating 
Artifact · Uncommon · Scars of Mirrodin · #171
{T}: Target permanent becomes an artifact in addition to its other types until end of turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
6 printings · $0.35 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War Retro Artifacts | 28 | Uncommon | $0.35 | $0.79 |
| The Brothers' War Retro Artifacts | 91 | Uncommon | $0.35 | $0.79 |
| The Brothers' War Retro Artifacts | 91z | Uncommon | — | — |
| Commander 2014 | 246 | Uncommon | $0.49 | — |
| Commander Anthology Volume II | 197 | Uncommon | $0.49 | — |
| Scars of Mirrodin | 171 | Uncommon | $0.49 | $6.99 |
2 rulings from Wizards of the Coast
- 1 January 2011Becoming an artifact doesn't change what color(s) a permanent is.
- 1 January 2011You may target any permanent with the ability, including an artifact.