(: Add or to your mana pool.)
Tree Flats enters the battlefield tapped.
, , Sacrifice Tree Flats: Destroy target artifact.
, , Sacrifice Tree Flats: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.), , Sacrifice Tree Flats: Destroy target artifact., , Sacrifice Tree Flats: Put a -1/-1 counter on target creature.
