Bubbles, Liberator of Seas

Islandwalk

As long as Bubbles has 10 or more toughness, All lands are
islands in addition to their other types.

When Bubbles enters, each opponent may search their library for a creature card and put it into the battlefield tapped, then shuffle. You may then search your library for a creature card with 4 or less toughness, put it onto the battlefield tapped, then shuffle.

{2}{u}{r/g}: Bubbles gets +0/+4 Until end of turn.