Cascade Oasis enters the battlefield tapped unless you pay .
, : Add , or to your mana pool.
: Cascade Oasis becomes a 2/1 blue and green Cephalid creature until end of turn. It's still a land.
.
, 
: Add 
, 
or to your mana pool.: Cascade Oasis becomes a 2/1 blue and green Cephalid creature until end of turn. It's still a land.
