Cheapest priced copy (Classic Sixth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Mana Prism 
Artifact · Uncommon · Mirage · #308
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Classic Sixth Edition | 297 | Uncommon | $0.35 | — |
| Mirage | 308 | Uncommon | $0.49 | — |