Cheapest priced copy (Morningtide): $0.35 at Card Kingdom, near mint, their price list as of .
Pack's Disdain 
Instant · Common · Morningtide · #73
Choose a creature type. Target creature gets -1/-1 until end of turn for each permanent of the chosen type you control.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Morningtide | 73 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 April 2008You choose a target for this spell as you cast it, but you don't choose a creature type until the spell resolves.
- 1 April 2008Note that this spell counts the number of permanents you control of the chosen type, not just the number of creatures you control. It will also take your kindred permanents of the chosen type into account.