Shelldock Den enters the battlefield tapped.
: Add to your mana pool. Shelldock Den doesn't untap during your next untap step.
: Prevent the next 1 damage that would be dealt to target creature this turn.
: Add 
to your mana pool. Shelldock Den doesn't untap during your next untap step.: Prevent the next 1 damage that would be dealt to target creature this turn.
