Cheapest priced copy (Gatecrash): $0.35 at Card Kingdom, near mint, their price list as of .
Merfolk of the Depths 
Creature — Merfolk Soldier · 4/2 · Uncommon · Gatecrash · #221
Flash (You may cast this spell any time you could cast an instant.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 221 | Uncommon | $0.35 | $0.49 |
| Ravnica Remastered | 200 | Common | $0.35 | $0.49 |