(: Add or to your mana pool.)
Tidal Graveyard enters the battlefield tapped unless you pay .
: Tidal Graveyard becomes a 2/1 blue and black Merfolk Cephalid creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
.: Tidal Graveyard becomes a 2/1 blue and black Merfolk Cephalid creature until end of turn. It's still a land.
