Cheapest priced copy (Avacyn Restored): $0.35 at Card Kingdom, near mint, their price list as of .
Dreadwaters 
Sorcery · Common · Magic Origins · #56
Target player mills X cards, where X is the number of lands you control.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avacyn Restored | 49 | Common | $0.35 | $0.49 |
| Magic Origins | 56 | Common | $0.35 | $0.49 |
| The List | ORI-56 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 1 May 2012The number of cards put into the graveyard is based on the number of lands you control when Dreadwaters resolves.