When Gulf Squid enters the battlefield, tap all lands target player controls.

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.

T: Tap target creature. That creature doesn't untap during its controller's untap step for as long as Sand Squid remains tapped.

Defender

Landfall ¡ª Whenever a land enters the battlefield under your control, Skyclave Squid can attack this turn as though it didn't have defender.

Defender

Landfall ¡ª Whenever a land enters the battlefield under your control, Skyclave Squid can attack this turn as though it didn't have defender.

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

(Art of donut / Art of fez / Art of bident)

2 TK ¡ª T: The next time target player would roll one or more dice this turn, instead they roll that many dice plus one, then you choose one of those rolls to ignore.

3 TK ¡ª Protection from odd mana values