Obsidian Seafloor enters the battlefield tapped unless you pay 1 life.
, Pay 1 life: Add or to your mana pool.
, , Sacrifice Obsidian Seafloor: Draw a card.
Flying
Share this card: Go to Innistrad spoiler mode and fool your friends!
GoodGamery.com
, Pay 1 life: Add 
or 
to your mana pool.
, 
