(: Add or to your mana pool.)
When Horizon Battlefield enters the battlefield, sacrifice it unless you pay 2 life.
: Horizon Battlefield becomes a 2/2 white Bird creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Horizon Battlefield becomes a 2/2 white Bird creature until end of turn. It's still a land.
