Coral Graveyard enters the battlefield tapped unless you sacrifice a Skeleton.
: Add to your mana pool. Coral Graveyard doesn't untap during your next untap step.
, , Sacrifice Coral Graveyard: Target creature gets -2/-2 until end of turn.
: Add 
to your mana pool. Coral Graveyard doesn't untap during your next untap step., , Sacrifice Coral Graveyard: Target creature gets -2/-2 until end of turn.
