(: Add or to your mana pool.)
When Cascade Springs enters the battlefield, sacrifice it unless you pay .
: Cascade Springs becomes a 1/1 blue and red Cephalid creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.).
: Cascade Springs becomes a 1/1 blue and red Cephalid creature with flying until end of turn. It's still a land.
