(: Add or to your mana pool.)
When Blackcleave Prairie enters the battlefield, sacrifice it unless you pay .
: Blackcleave Prairie becomes a 0/4 white and black Cleric creature with defender until end of turn. It's still a land.
: Add 
or 
to your mana pool.).
: Blackcleave Prairie becomes a 0/4 white and black Cleric creature with defender until end of turn. It's still a land.
