(: Add or to your mana pool.)
Blackcleave Cave enters the battlefield tapped unless you sacrifice an artifact.
, , Sacrifice Blackcleave Cave: Put a -1/-1 counter on target creature.
, : Target red creature gets +1/+1 until end of turn.
: Add 
or 
to your mana pool.), , Sacrifice Blackcleave Cave: Put a -1/-1 counter on target creature., : Target red creature gets +1/+1 until end of turn.
