(: Add or to your mana pool.)
When Sacred Lake enters the battlefield, sacrifice it unless you pay 3 life.
: Sacred Lake becomes a 1/1 white and blue Bird creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Sacred Lake becomes a 1/1 white and blue Bird creature with flying until end of turn. It's still a land.
