Cheapest priced copy (Mirage): $0.35 at Card Kingdom, near mint, their price list as of .
Mangara's Equity 
Enchantment · Uncommon · Mirage · #26
As this enchantment enters, choose black or red.
At the beginning of your upkeep, sacrifice this enchantment unless you pay {1}{W}.
Whenever a creature of the chosen color deals damage to you or a white creature you control, this enchantment deals that much damage to that creature.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirage | 26 | Uncommon | $0.35 | — |