(: Add or to your mana pool.)
When Flat Ravine enters the battlefield, sacrifice it unless you pay .
, : Target blocking creature gets +0/+1 until end of turn.
, : Target land becomes a 2/2 red Ogre creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)., : Target blocking creature gets +0/+1 until end of turn.
, : Target land becomes a 2/2 red Ogre creature until end of turn. It's still a land.
