Rain, Son of Argus

When Rain, Son of Argus enters the battlefield, each island that was used in the X cost to cast this spell becomes a 3/3 blue water elemental creature, with {t}: Add {u}{u} to your mana pool,
it is still a land.

Tap an untapped elemental you control, draw a card, then discard a card.

"You'll drown in the raging waters."