Cheapest priced copy (Shards of Alara): $0.35 at Card Kingdom, near mint, their price list as of .
Rockslide Elemental 
Creature — Elemental · 1/1 · Uncommon · Shards of Alara · #112
First strike
Whenever another creature dies, you may put a +1/+1 counter on this creature.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shards of Alara | 112 | Uncommon | $0.35 | $0.49 |
| Planechase | 63 | Uncommon | $0.35 | — |