Cheapest priced copy (Mirage): $0.35 at Card Kingdom, near mint, their price list as of .
Teferi's Curse 
Enchantment — Aura · Common · Mirage · #96
Enchant artifact or creature
Enchanted permanent has phasing. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirage | 96 | Common | $0.35 | — |