When Sea Bosk enters the battlefield, you lose 1 life unless you reveal a planeswalker card from your hand.
, : Add to your mana pool.
: Sea Bosk becomes a 2/2 blue Cephalid creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.
: Sea Bosk becomes a 2/2 blue Cephalid creature until end of turn. It's still a land.
