Cheapest priced copy (Magic 2015): $0.35 at Card Kingdom, near mint, their price list as of .
Scrapyard Mongrel 
Creature — Dog · 3/3 · Common · Magic 2015 · #160
As long as you control an artifact, this creature gets +2/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Magic 2015 | 160 | Common | $0.35 | $0.49 |