Cheapest priced copy (Duel Decks: Elves vs. Goblins): $0.49 at Card Kingdom, near mint, their price list as of .
Clickslither 
Creature — Insect · 3/3 · Rare · Legions · #90
Haste
Sacrifice a Goblin: This creature gets +2/+2 and gains trample until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.49 to $9.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Goblins | 34 | Rare | $0.49 | — |
| Duel Decks Anthology: Elves vs. Goblins | 34 | Rare | $0.49 | — |
| Legions | 90 | Rare | $0.69 | $9.99 |