(: Add or to your mana pool.)
When Merfolk Moor enters the battlefield, sacrifice it unless you pay 3 life.
: Merfolk Moor becomes a 2/1 blue and black Illusion creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Merfolk Moor becomes a 2/1 blue and black Illusion creature until end of turn. It's still a land.
