(: Add or to your mana pool.)
Underground Valley enters the battlefield tapped unless you sacrifice a Beast.
, , Sacrifice Underground Valley: Put a -1/-1 counter on target creature.
, , Sacrifice Underground Valley: Destroy target enchantment.
: Add 
or 
to your mana pool.), , Sacrifice Underground Valley: Put a -1/-1 counter on target creature., , Sacrifice Underground Valley: Destroy target enchantment.
