Cheapest priced copy (Magic 2012): $0.49 at Card Kingdom, near mint, their price list as of .
Monomania 
Sorcery · Rare · Magic 2012 · #102
Target player chooses a card in their hand and discards the rest.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Magic 2012 | 102 | Rare | $0.49 | $0.49 |
One ruling from Wizards of the Coast
- 22 September 2011If there are one or zero cards in the player’s hand, they will discard no cards.