River Stand enters the battlefield tapped unless you pay .
, : Add to your mana pool.
: River Stand becomes a 1/1 green and blue Fish creature with flying until end of turn. It's still a land.
., 
: Add 
to your mana pool., : Add to your mana pool.
: River Stand becomes a 1/1 green and blue Fish creature with flying until end of turn. It's still a land.
