Cheapest priced copy (Urza's Destiny): $0.35 at Card Kingdom, near mint, their price list as of .
Colos Yearling 
Creature — Goat Beast · 1/1 · Common · Urza's Destiny · #79
Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
{R}: This creature gets +1/+0 until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Destiny | 79 | Common | $0.35 | $0.99 |