Cheapest priced copy (Innistrad): $0.35 at Card Kingdom, near mint, their price list as of .
Curse of the Bloody Tome 
Enchantment — Aura Curse · Common · Innistrad · #50
Enchant player
At the beginning of enchanted player's upkeep, that player mills two cards.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad | 50 | Common | $0.35 | $0.49 |
| Wizards Play Network 2011 | 80 | Rare | — | $0.49 |
One ruling from Wizards of the Coast
- 22 September 2011If the enchanted player has only one card in their library, they put that card into their graveyard.