Cheapest priced copy (Lorwyn Eclipsed): $0.35 at Card Kingdom, near mint, their price list as of .
Prismatic Undercurrents 
Enchantment · Uncommon · Lorwyn Eclipsed · #189
Vivid — When this enchantment enters, search your library for up to X basic land cards, where X is the number of colors among permanents you control. Reveal those cards, put them into your hand, then shuffle.
You may play an additional land on each of your turns.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Lorwyn Eclipsed | 189 | Uncommon | $0.35 | $0.49 |
4 rulings from Wizards of the Coast
- 17 November 2025The colors are white, blue, black, red, and green. Colorless is not a color.
- 17 November 2025The effect of Prismatic Undercurrents's last ability is cumulative with similar effects. For example, if you control two Prismatic Undercurrents, you'll be able to play three lands during each of your turns.
- 17 November 2025The value of X is calculated only once, as Prismatic Undercurrents's first ability resolves.
- 17 November 2025Lands are normally colorless permanents, even if they tap for mana of a certain color.