Rustic River enters the battlefield tapped unless you pay .
: Add or to your mana pool. Rustic River deals 1 damage to you.
: Rustic River becomes a 1/1 white and blue Knight Citizen creature with flying until end of turn. It's still a land.
.
: Add 
or 
to your mana pool. Rustic River deals 1 damage to you.: Rustic River becomes a 1/1 white and blue Knight Citizen creature with flying until end of turn. It's still a land.
