(: Add or to your mana pool.)
When River Shrine enters the battlefield, you lose 2 life unless you reveal an artifact land card from your hand.
: River Shrine becomes a 2/2 blue Crab Merfolk creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: River Shrine becomes a 2/2 blue Crab Merfolk creature until end of turn. It's still a land.
