Cheapest priced copy (Apocalypse): $0.35 at Card Kingdom, near mint, their price list as of .
Tidal Courier 
Creature — Merfolk · 1/2 · Uncommon · Apocalypse · #31
When this creature enters, reveal the top four cards of your library. Put all Merfolk cards revealed this way into your hand and the rest on the bottom of your library in any order.
{3}{U}: This creature gains flying until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Apocalypse | 31 | Uncommon | $0.35 | $2.49 |
| Duel Decks: Merfolk vs. Goblins | 19 | Uncommon | $0.35 | — |