Cheapest priced copy (Darksteel): $0.35 at Card Kingdom, near mint, their price list as of .
Spincrusher 
Artifact Creature — Construct · 0/2 · Uncommon · Darksteel · #144
Whenever this creature blocks, put a +1/+1 counter on it.
Remove a +1/+1 counter from this creature: This creature can't be blocked this turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 144 | Uncommon | $0.35 | $0.49 |