(: Add or to your mana pool.)
Sulfurous Flats enters the battlefield tapped unless you sacrifice a creature.
, , Sacrifice Sulfurous Flats: Put a -1/-1 counter on target creature.
, : Target blocking creature gets +0/+1 until end of turn.
: Add 
or 
to your mana pool.), , Sacrifice Sulfurous Flats: Put a -1/-1 counter on target creature., : Target blocking creature gets +0/+1 until end of turn.
