Cheapest priced copy (Mirage): $2.99 at Card Kingdom, near mint, their price list as of .
Mangara's Tome 
Artifact — Book · Rare · Mirage · #309
When this artifact enters, search your library for five cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library.
{2}: The next time you would draw a card this turn, instead put the top card of the exiled pile into its owner's hand.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirage | 309 | Rare | $2.99 | — |
2 rulings from Wizards of the Coast
- 4 October 2004The ability is a replacement effect that replaces a draw.
- 4 October 2004If there are no cards left, you can still use the ability to turn a draw into a “do nothing”.