Slagheap Sea enters the battlefield tapped.
: Add to your mana pool. Return Slagheap Sea to its owner's hand.
: Slagheap Sea becomes a 2/2 blue Shapeshifter creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Slagheap Sea to its owner's hand.
: Slagheap Sea becomes a 2/2 blue Shapeshifter creature until end of turn. It's still a land.
