Rootwater Commando

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Dryad Sophisticate

Nonbasic landwalk (This creature can’t be blocked as long as defending player controls a nonbasic land.)

Grayscaled Gharial

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Bear

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Ayumi, the Last Visitor

Legendary landwalk (This creature can’t be blocked as long as defending player controls a legendary land.)

Benthic Behemoth

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Bull Hippo

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Rootwater Commando

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

Sand Squid

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
You may choose not to untap Sand Squid during your untap step.
: Tap target creature. That creature doesn’t untap during its controller’s untap step for as long as Sand Squid remains tapped.

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

Zodiac Horse

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Bull Hippo

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

Segovian Leviathan

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Bull Hippo

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Bear

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Benthic Behemoth

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

Bull Hippo

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Bull Hippo

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Segovian Leviathan

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

River Boa

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
: Regenerate River Boa.

Merfolk Raiders

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
Phasing (This phases in or out before you untap during each of your untap steps. While it’s phased out, it’s treated as though it doesn’t exist.)