Cheapest priced copy (Prophecy): $0.99 at Card Kingdom, near mint, their price list as of .
Sunken Field 
Enchantment — Aura · Uncommon · Prophecy · #51
Enchant land
Enchanted land has "{T}: Counter target spell unless its controller pays {1}."
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.99 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Prophecy | 51 | Uncommon | $0.99 | $10.99 |
One ruling from Wizards of the Coast
- 4 October 2004The spell’s controller gets the option to pay when the ability resolves.