Cheapest priced copy (Portal Three Kingdoms): $6.99 at Card Kingdom, near mint, their price list as of .
Broken Dam 
Sorcery · Common · Portal Three Kingdoms · #37
Tap one or two target creatures without horsemanship.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Portal Three Kingdoms | 37 | Common | $6.99 | — |