(: Add or to your mana pool.)
River Hub enters the battlefield tapped unless you reveal a nonbasic land card from your hand.
: River Hub becomes a 1/1 white and blue Cephalid creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: River Hub becomes a 1/1 white and blue Cephalid creature with flying until end of turn. It's still a land.
