Merfolk Tomb enters the battlefield tapped.
, Pay 1 life: Add or to your mana pool.
, , Sacrifice Merfolk Tomb: Draw a card.
: Merfolk Tomb becomes a 1/1 blue and black Merfolk creature with flying until end of turn. It's still a land.
, Pay 1 life: Add 
or 
to your mana pool.
, , Sacrifice Merfolk Tomb: Draw a card.: Merfolk Tomb becomes a 1/1 blue and black Merfolk creature with flying until end of turn. It's still a land.
