Cheapest priced copy (Double Masters): $0.99 at Card Kingdom, near mint, their price list as of .
Inkwell Leviathan 
Artifact Creature — Leviathan · 7/11 · Rare · Double Masters · #55
Trample
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Shroud (This creature can't be the target of spells or abilities.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
6 printings · $0.99 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 55 | Rare | $0.99 | $1.49 |
| Commander 2018 | 91 | Rare | $1.29 | — |
| Conflux | 30 | Rare | $0.99 | $3.99 |
| Duel Decks: Elspeth vs. Kiora | 37 | Rare | $1.29 | — |
| Eternal Masters | 56 | Rare | $0.99 | $0.99 |
| Premium Deck Series: Graveborn | 10 | Rare | — | $1.49 |