Cheapest priced copy (Avacyn Restored): $0.35 at Card Kingdom, near mint, their price list as of .
Mental Agony 
Sorcery · Common · Avacyn Restored · #114
Target player discards two cards and loses 2 life.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avacyn Restored | 114 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 May 2012If the targeted player has fewer than two cards in their hand, that player will still lose 2 life (and discard one card, if applicable).