(: Add or to your mana pool.)
Whenever Secluded Marsh becomes tapped, it deals 1 damage to you.
: Secluded Marsh becomes a 2/2 blue Crab creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Secluded Marsh becomes a 2/2 blue Crab creature until end of turn. It's still a land.
