Cheapest priced copy (Urza's Saga): $0.39 at Card Kingdom, near mint, their price list as of .
Curfew 
Instant · Common · Battle Royale Box Set · #17
Each player returns a creature they control to its owner's hand.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.39 to $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battle Royale Box Set | 17 | Common | $0.69 | — |
| Urza's Saga | 68 | Common | $0.39 | — |