Whenever Seafloor of Whispers becomes tapped, it deals 1 damage to you.

: Add  to your mana pool. Activate this ability only if you control an Island.

: Add  to your mana pool. Activate this ability only if you control a Swamp.

: Seafloor of Whispers becomes a 2/1 blue and black Shapeshifter creature until end of turn. It's still a land.