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