Sapseep Seafloor
Artifact Land (Rare)

(Sapseep Seafloor isn't a spell.)

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

Sacrifice a land: You gain 1 life.

Tap: Add G or U to your mana pool.

Tap: Add 2 to your mana pool. Put Sapseep Seafloor on top of your library.

Steve Chan