(: Add or to your mana pool.)
When Tidal Catacombs enters the battlefield, sacrifice it unless you pay .
, : Scry 1.
, , Sacrifice Tidal Catacombs: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.)., : Scry 1., , Sacrifice Tidal Catacombs: Put a -1/-1 counter on target creature.
