Cheapest priced copy (Tenth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Demystify 
Instant · Common · Ninth Edition · #13
Destroy target enchantment.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
9 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 14 | Common | $0.35 | $0.99 |
| Eighth Edition | 16 | Common | $0.35 | — |
| Eighth Edition | 16★ | Common | — | $0.79 |
| Ninth Edition | 13 | Common | $0.35 | — |
| Ninth Edition | 13★ | Common | — | $1.49 |
| Magic 2012 | 13 | Common | $0.35 | $0.49 |
| Onslaught | 24 | Common | $0.35 | $0.99 |
| Rise of the Eldrazi | 18 | Common | $0.35 | $0.79 |
| Ixalan | 8 | Common | $0.35 | $0.49 |