Cheapest priced copy (Rise of the Eldrazi): $0.35 at Card Kingdom, near mint, their price list as of .
Brood Birthing 
Sorcery · Common · Rise of the Eldrazi · #138
If you control an Eldrazi Spawn, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." Otherwise, create one of those tokens.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Rise of the Eldrazi | 138 | Common | $0.35 | $6.99 |
2 rulings from Wizards of the Coast
- 15 June 2010If you put a single token onto the battlefield this way, it's exactly like the ones specified earlier: it's a 0/1 colorless Eldrazi Spawn creature token that has "Sacrifice this creature: Add {C}."
- 15 June 2010Whether you control an Eldrazi Spawn is checked as Brood Birthing resolves.