Khod, Etlan Shiis Envoy
{2}{U}
Legendary Creature -- Homarid Warrior
2/3
All lands are Islands in addition to their other types.
Other Homarids, Camarids, Cephalids, Nautilids, and Merfolk you control get +1/+1.
Stormtide Leviathan
{5}{U}{U}{U}
Creature -- Leviathan
8/8
Islandwalk (~this~ can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.