(: Add or to your mana pool.)
Shelldock Marsh enters the battlefield tapped.
: Shelldock Marsh becomes a 2/1 blue and black Wizard creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Shelldock Marsh becomes a 2/1 blue and black Wizard creature until end of turn. It's still a land.
