(: Add or to your mana pool.)
Blackcleave Coliseum enters the battlefield tapped unless you control one or more creatures.
, , Sacrifice Blackcleave Coliseum: Put a -1/-1 counter on target creature.
, : Scry 1.
: Add 
or 
to your mana pool.), , Sacrifice Blackcleave Coliseum: Put a -1/-1 counter on target creature., : Scry 1.
