Cheapest priced copy (Invasion): $0.49 at Card Kingdom, near mint, their price list as of .
Obsidian Acolyte 
Creature — Human Cleric · 1/1 · Common · Invasion · #22
Protection from black
{W}: Target creature gains protection from black until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.49 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 22 | Common | $0.49 | $6.99 |