Waterlogged Hulk // Watertight Gondola

: Mill a card. (Put the top card of your library into your graveyard.)
Craft with Island (, Exile this artifact, Exile an Island you control or an Island card from your graveyard: Return this card transformed under its owner’s control. Craft only as a sorcery.) // Vigilance
Descend 8 — This Vehicle can’t be blocked as long as there are eight or more permanent cards in your graveyard.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)