Cheapest priced copy (Fourth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Segovian Leviathan 
Creature — Leviathan · 3/3 · Uncommon · Classic Sixth Edition · #97
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
6 printings · $0.35 to $2.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 99 | Uncommon | — | — |
| Fourth Edition | 99 | Uncommon | $0.35 | — |
| Fifth Edition | 122 | Uncommon | $0.35 | — |
| Classic Sixth Edition | 97 | Uncommon | $0.35 | — |
| Legends | 76 | Uncommon | $2.79 | — |
| Renaissance | 40 | Uncommon | — | — |