Cheapest priced copy (Mirrodin Besieged): $0.35 at Card Kingdom, near mint, their price list as of .
Goblin Wardriver 
Creature — Goblin Warrior · 2/2 · Uncommon · The List · #MBS-64
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.35 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Merfolk vs. Goblins | 50 | Uncommon | $0.39 | — |
| Mirrodin Besieged | 64 | Uncommon | $0.35 | $1.99 |
| The List | MBS-64 | Uncommon | $0.49 | — |