Level River enters the battlefield tapped.
, Pay 1 life: Add or to your mana pool.
, , Sacrifice Level River: Draw a card.
: Level River becomes a 2/1 white and blue Kor creature until end of turn. It's still a land.
, Pay 1 life: Add 
or 
to your mana pool.
, , Sacrifice Level River: Draw a card.: Level River becomes a 2/1 white and blue Kor creature until end of turn. It's still a land.
