"Into its maw went the seventh sea, never to be seen again while the world remains."
—Esper fable

Double Masters

Inkwell Leviathan

Islandwalk, trample
Shroud (This creature can't be the target of spells or abilities.)

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.)

Commander 2018

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Trample
Shroud (This creature can't be the target of spells or abilities.)