Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Goblin Artillery 
Creature — Goblin Warrior · 1/3 · Uncommon · Magic 2010 · #138
{T}: This creature deals 2 damage to any target and 3 damage to you.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 541 | Uncommon | $0.35 | — |
| Magic 2010 | 138 | Uncommon | $0.35 | $1.49 |
One ruling from Wizards of the Coast
- 1 October 2009If the targeted permanent or player is an illegal target by the time Goblin Artillery's ability would resolve, the entire ability doesn't resolve. You won't be dealt any damage.