MonoBlue Electric Boogaloo

When you control no Islands, sacrifice this creature. You may choose not to untap this creature during your untap step. : Gain control of target creature whose controller controls an Island for as long as you control this creature and this creature remains tapped.

, : Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.

At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.