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