Cheapest priced copy (Ninth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Peace of Mind 
Enchantment · Uncommon · Eldritch Moon · #36
{W}, Discard a card: You gain 3 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ninth Edition | 33 | Uncommon | $0.35 | — |
| Ninth Edition | 33★ | Uncommon | — | $2.49 |
| Eldritch Moon | 36 | Uncommon | $0.39 | $0.49 |
| Exodus | 13 | Uncommon | $0.39 | — |
| The List | EMN-36 | Uncommon | $0.39 | — |