Cheapest priced copy (Tenth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Stronghold Discipline 
Sorcery · Uncommon · Tenth Edition · #181
Each player loses 1 life for each creature they control.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 181 | Uncommon | $0.35 | $0.49 |
| Conspiracy | 126 | Common | $0.35 | $0.49 |
| Nemesis | 73 | Common | $0.35 | $0.99 |