Cheapest priced copy (Coldsnap): $0.35 at Card Kingdom, near mint, their price list as of .
Bull Aurochs 
Creature — Aurochs · 2/1 · Common · Coldsnap · #107
Trample
Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Coldsnap | 107 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 15 July 2006Abilities of Aurochs care about other creatures that have creature type Aurochs, which includes (but is not limited to) the Ice Age card namedAurochs.