Dezomah, Black Tide

{t} Add {2}{u/b} to your mana pool.
Pay {4}{u}{u} and sacrifice an island you control, Dezomah, Black Tide, becomes a 9/12 Legendary
Land Creature with Islandwalk, Shroud and
Haste until end of turn.
Whenever Dezomah, Black Tide's cost to become
a creature is paid, return X permanents to their
owner's hands, where X is the number of islands
in your graveyard.