(: Add or to your mana pool.)
Krosan Battlefield enters the battlefield tapped unless you pay 1 life.
: Krosan Battlefield becomes a 2/1 green and red Snake creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Krosan Battlefield becomes a 2/1 green and red Snake creature until end of turn. It's still a land.
