Cheapest priced copy (Mirrodin Besieged): $0.49 at Card Kingdom, near mint, their price list as of .
Mitotic Manipulation 
Sorcery · Rare · Mirrodin Besieged · #27
Look at the top seven cards of your library. You may put one of those cards onto the battlefield if it has the same name as a permanent. Put the rest on the bottom of your library in any order.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin Besieged | 27 | Rare | $0.49 | $2.49 |
3 rulings from Wizards of the Coast
- 1 June 2011You don’t reveal any of the other cards or the order in which they go to the bottom of your library.
- 1 June 2011No matter how many of the seven cards have the same name as a permanent, you can put only one of them onto the battlefield.
- 1 June 2011“The same name as a permanent” means the same name as a permanent currently on the battlefield as Mitotic Manipulation resolves.