Cheapest priced copy (Mirrodin): $0.35 at Card Kingdom, near mint, their price list as of .
Clockwork Vorrac 
Artifact Creature — Boar Beast · 0/0 · Uncommon · Mirrodin · #156
Trample
This creature enters with four +1/+1 counters on it.
Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.
{T}: Put a +1/+1 counter on this creature.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin | 156 | Uncommon | $0.35 | $0.49 |