When Goblin Shores enters the battlefield, return a land you control to its owner's hand.
: Add or to your mana pool.
Sacrifice Goblin Shores: Add or to your mana pool.
, : Add one mana of any color to your mana pool.
: Add 
or 
to your mana pool. or to your mana pool.
, : Add one mana of any color to your mana pool.
