Cheapest priced copy (Duel Decks: Jace vs. Vraska): $0.35 at Card Kingdom, near mint, their price list as of .
Merfolk Wayfinder 
Creature — Merfolk Scout · 1/2 · Uncommon · Zendikar · #56
Flying
When this creature enters, reveal the top three cards of your library. Put all Island cards revealed this way into your hand and the rest on the bottom of your library in any order.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Jace vs. Vraska | 9 | Uncommon | $0.35 | — |
| Duel Decks: Merfolk vs. Goblins | 12 | Uncommon | $0.35 | — |
| Zendikar | 56 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 October 2009If there are three or fewer cards in your library, you’ll reveal all of them.