Cheapest priced copy (The Lost Caverns of Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Hermitic Nautilus 
Artifact Creature — Nautilus · 1/4 · Uncommon · The Lost Caverns of Ixalan · #58
Vigilance
{1}{U}: This creature gets +3/-3 until end of turn.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan | 58 | Uncommon | $0.35 | $0.49 |