(: Add or to your mana pool.)
Unstable Tar Pit enters the battlefield tapped unless you control one or more creatures.
, : Target red creature gets +1/+1 until end of turn.
, , Sacrifice Unstable Tar Pit: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.), : Target red creature gets +1/+1 until end of turn., , Sacrifice Unstable Tar Pit: Put a -1/-1 counter on target creature.
