Cheapest priced copy (Avacyn Restored): $0.35 at Card Kingdom, near mint, their price list as of .
Somberwald Vigilante 
Creature — Human Warrior · 1/1 · Common · Avacyn Restored · #156
Whenever this creature becomes blocked by a creature, this creature deals 1 damage to that creature.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avacyn Restored | 156 | Common | $0.35 | $0.49 |
| Duel Decks: Heroes vs. Monsters | 2 | Common | $0.35 | — |
2 rulings from Wizards of the Coast
- 1 May 2012The ability resolves before combat damage is dealt, so it could cause blocking creatures to be destroyed and thus not deal combat damage.
- 1 May 2012Somberwald Vigilante’s ability will trigger for each creature it becomes blocked by.