Cheapest priced copy (Lorwyn Eclipsed): $0.49 at Card Kingdom, near mint, their price list as of .
Deepway Navigator 
Creature — Merfolk Wizard · 2/2 · Rare · Lorwyn Eclipsed · #370
Flash
When this creature enters, untap each other Merfolk you control.
As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Lorwyn Eclipsed | 214 | Rare | $0.49 | $0.49 |
| Lorwyn Eclipsed | 370 | Rare | $0.49 | $0.49 |
| Lorwyn Eclipsed Promos | 214p | Rare | $0.49 | $0.49 |