(: Add or to your mana pool.)
Slagheap Underground enters the battlefield tapped unless you pay .
, : Slagheap Underground deals 1 damage to target creature.
, , Pay 1 life: Put a 1/1 black Skeleton creature token onto the battlefield.
: Add 
or 
to your mana pool.).
, : Slagheap Underground deals 1 damage to target creature., , Pay 1 life: Put a 1/1 black Skeleton creature token onto the battlefield.
