(Graven Coast isn't a spell.)
Graven Coast enters the battlefield tapped unless you pay .
, : You may put a land card from your hand onto the battlefield.
: Add to your mana pool. Return Graven Coast to its owner's hand.
.
, 
: You may put a land card from your hand onto the battlefield.: Add 
to your mana pool. Return Graven Coast to its owner's hand.
