Moana, Wayfinder of Motunui

Moana, Wayfinder of Motunui's power and toughness are equal to the total number of Island's in play.
When Moana, Wayfinder of Motunui is destroyed, exile it instead of placing it in the graveyard then create a blue 10/10 Raging Ocean creature token with Trample.
"One day I'll know, how far I'll go!"