(: Add or to your mana pool.)
When Drowned Jungle enters the battlefield, sacrifice it unless you pay 1 life.
: Drowned Jungle becomes a 2/1 blue and green Merfolk creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Drowned Jungle becomes a 2/1 blue and green Merfolk creature until end of turn. It's still a land.
