(: Add or to your mana pool.)
Sandstone Hollow enters the battlefield tapped.
: Sandstone Hollow becomes a 1/1 black and red Giant creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Sandstone Hollow becomes a 1/1 black and red Giant creature with first strike until end of turn. It's still a land.
